W3cubDocs

/Crystal

struct UInt64

Defined in:

big/number.cr
int.cr
primitives.cr

Constant Summary

MAX = 18446744073709551615_u64
MIN = 0_u64

Constructors

Class Method Summary

Instance Method Summary

Instance methods inherited from struct Int

%(other : BigInt) : BigInt
%(other : Int) %, &*(other : BigInt) : BigInt &*, &**(exponent : Int) : self &**, &+(other : BigInt) : BigInt &+, &-(other : BigInt) : BigInt &-, *(other : BigInt) : BigInt
*(other : BigRational) : BigRational
*(other : BigDecimal) : BigDecimal *, **(exponent : Int) : self
**(exponent : Float) : Float64 **, +(other : BigInt) : BigInt
+(other : BigRational) : BigRational
+(other : BigDecimal) : BigDecimal +, -(other : BigInt) : BigInt
-(other : BigFloat) : BigFloat
-(other : BigRational) : BigRational
-(other : BigDecimal) : BigDecimal -, /(other : BigFloat) : BigFloat
/(other : BigRational) /, //(other : Int::Primitive) //, <<(count : Int) <<, <=>(other : BigInt)
<=>(other : Int) : Int32
<=>(other : BigFloat) : Int32
<=>(other : BigRational) : Int32
<=>(other : BigDecimal) <=>, ===(char : Char) ===, >>(count : Int) >>, ~ ~, abs : self abs, bit(bit) bit, bit_length : Int32 bit_length, bits(range : Range) bits, bits_set?(mask) : Bool bits_set?, ceil : self ceil, chr : Char chr, day : Time::Span day, days : Time::Span days, digits(base = 10) : Array(Int32) digits, divisible_by?(num) : Bool divisible_by?, downto(to, &block : self -> ) : Nil
downto(to) downto, even? : Bool even?, fdiv(other) : Float64 fdiv, floor : self floor, gcd(other : self) : self
gcd(other : BigInt) : Int gcd, hour : Time::Span hour, hours : Time::Span hours, humanize_bytes(io : IO, precision : Int = 3, separator = '.', *, significant : Bool = true, unit_separator = nil, format : BinaryPrefixFormat = :IEC) : Nil
humanize_bytes(precision : Int = 3, separator = '.', *, significant : Bool = true, unit_separator = nil, format : BinaryPrefixFormat = :IEC) : String humanize_bytes, integer? : Bool integer?, lcm(other : BigInt) : BigInt
lcm(other : Int) lcm, microsecond : Time::Span microsecond, microseconds : Time::Span microseconds, millisecond : Time::Span millisecond, milliseconds : Time::Span milliseconds, minute : Time::Span minute, minutes : Time::Span minutes, modulo(other) modulo, month : Time::MonthSpan month, months : Time::MonthSpan months, nanosecond : Time::Span nanosecond, nanoseconds : Time::Span nanoseconds, odd? : Bool odd?, popcount popcount, pred : self pred, remainder(other : Int) remainder, round(mode : RoundingMode) : self round, round_away round_away, round_even : self round_even, second : Time::Span second, seconds : Time::Span seconds, succ : self succ, tdiv(other : Int) tdiv, tdivmod(other : Int) tdivmod, times(&block : self -> ) : Nil
times times, to(to, &block : self -> ) : Nil
to(to) to, to_big_d : BigDecimal to_big_d, to_big_i : BigInt to_big_i, to_big_r : BigRational to_big_r, to_io(io : IO, format : IO::ByteFormat) : Nil to_io, to_json(json : JSON::Builder) : Nil to_json, to_json_object_key : String to_json_object_key, to_s(io : IO, base : Int = 10, *, precision : Int = 1, upcase : Bool = false) : Nil
to_s(base : Int = 10, *, precision : Int = 1, upcase : Bool = false) : String to_s, trailing_zeros_count trailing_zeros_count, trunc : self trunc, upto(to, &block : self -> ) : Nil
upto(to) upto, week : Time::Span week, weeks : Time::Span weeks, year : Time::MonthSpan year, years : Time::MonthSpan years

Constructor methods inherited from struct Int

from_io(io : IO, format : IO::ByteFormat) : self from_io

Instance methods inherited from module Comparable(BigDecimal)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from module Comparable(BigRational)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from module Comparable(BigInt)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from struct Number

*(other : BigFloat) : BigFloat
*(other : Complex) : Complex *, +(other : BigFloat)
+(other : Complex) : Complex
+ +, -(other : BigFloat)
-(other : Complex) : Complex -, /(other : BigFloat) : BigFloat
/(other : Complex) : Complex /, //(other) //, <=>(other) : Int32 | Nil <=>, ==(other : Complex) ==, abs : self abs, abs2 abs2, cis : Complex cis, divmod(number) divmod, format(io : IO, separator = '.', delimiter = ',', decimal_places : Int | Nil = nil, *, group : Int = 3, only_significant : Bool = false) : Nil
format(separator = '.', delimiter = ',', decimal_places : Int | Nil = nil, *, group : Int = 3, only_significant : Bool = false) : String format, hash(hasher) hash, humanize(io : IO, precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, prefixes : Indexable = SI_PREFIXES) : Nil
humanize(io : IO, precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, prefixes : Proc) : Nil
humanize(precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, prefixes = SI_PREFIXES) : String
humanize(io : IO, precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, &prefixes : Int32, Float64 -> Tuple(Int32, _) | Tuple(Int32, _, Bool)) : Nil
humanize(precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, &) : String
humanize(precision = 3, separator = '.', delimiter = ',', *, base = 10 ** 3, significant = true, unit_separator = nil, prefixes : Proc) : String humanize, i : Complex i, integer? : Bool integer?, negative? : Bool negative?, positive? : Bool positive?, round(mode : RoundingMode = :ties_even) : self
round(digits : Number, base = 10, *, mode : RoundingMode = :ties_even) round, sign : Int32 sign, significant(digits, base = 10) significant, step(*, to limit = nil, exclusive : Bool = false, &) : Nil
step(*, to limit = nil, exclusive : Bool = false) step, to_big_f : BigFloat to_big_f, to_c : Complex to_c, to_yaml(yaml : YAML::Nodes::Builder) : Nil to_yaml, zero? : Bool zero?

Constructor methods inherited from struct Number

additive_identity : self additive_identity, multiplicative_identity : self multiplicative_identity, zero : self zero

Class methods inherited from struct Number

si_prefix(magnitude : Int, prefixes = SI_PREFIXES) : Char | Nil si_prefix

Macros inherited from struct Number

[](*nums) [], slice(*nums, read_only = false) slice, static_array(*nums) static_array

Instance methods inherited from module Comparable(BigFloat)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from module Steppable

step(*, to limit = nil, by step, exclusive : Bool = false, &) : Nil
step(*, to limit = nil, by step, exclusive : Bool = false) step

Instance methods inherited from module Comparable(Number)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from struct Value

==(other : Log::Metadata::Value)
==(other : JSON::Any)
==(other : YAML::Any)
==(other) ==, dup dup

Instance methods inherited from class Object

! : Bool !, !=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)
===(other : YAML::Any)
===(other) ===, =~(other) =~, as(type : Class) as, as?(type : Class) as?, class class, dup dup, hash(hasher)
hash hash, in?(collection : Object) : Bool
in?(*values : Object) : Bool in?, inspect(io : IO) : Nil
inspect : String inspect, is_a?(type : Class) : Bool is_a?, itself itself, nil? : Bool nil?, not_nil!(message)
not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, responds_to?(name : Symbol) : Bool responds_to?, tap(&) tap, to_json(io : IO) : Nil
to_json : String to_json, to_pretty_json(indent : String = " ") : String
to_pretty_json(io : IO, indent : String = " ") : Nil to_pretty_json, to_s(io : IO) : Nil
to_s : String to_s, to_yaml(io : IO) : Nil
to_yaml : String to_yaml, try(&) try, unsafe_as(type : T.class) forall T unsafe_as

Class methods inherited from class Object

from_json(string_or_io : String | IO, root : String)
from_json(string_or_io : String | IO) from_json, from_yaml(string_or_io : String | IO) from_yaml

Macros inherited from class Object

class_getter(*names, &block) class_getter, class_getter!(*names) class_getter!, class_getter?(*names, &block) class_getter?, class_property(*names, &block) class_property, class_property!(*names) class_property!, class_property?(*names, &block) class_property?, class_setter(*names) class_setter, def_clone def_clone, def_equals(*fields) def_equals, def_equals_and_hash(*fields) def_equals_and_hash, def_hash(*fields) def_hash, delegate(*methods, to object) delegate, forward_missing_to(delegate) forward_missing_to, getter(*names, &block) getter, getter!(*names) getter!, getter?(*names, &block) getter?, property(*names, &block) property, property!(*names) property!, property?(*names, &block) property?, setter(*names) setter

Constructor Detail

def self.from_digits(digits : Enumerable(Int), base : Int = 10) : selfSource

Returns a number for given digits and base. The digits are expected as an Enumerable with the least significant digit as the first element.

Base must not be less than 2.

All digits must be within 0...base.

UInt64.from_digits([5, 4, 3, 2, 1])          # => 12345
UInt64.from_digits([4, 6, 6, 0, 5], base: 7) # => 12345
UInt64.from_digits([45, 23, 1], base: 100)   # => 12345

UInt64.from_digits([1], base: -2) # raises ArgumentError
UInt64.from_digits([-1])          # raises ArgumentError
UInt64.from_digits([3], base: 2)  # raises ArgumentError

def self.new(value : String, base : Int = 10, whitespace : Bool = true, underscore : Bool = false, prefix : Bool = false, strict : Bool = true, leading_zero_is_octal : Bool = false) : selfSource

Returns an UInt64 by invoking #to_u64 on value. See String#to_i for more details.

UInt64.new "20"                        # => 20
UInt64.new "  20  ", whitespace: false # raises ArgumentError: Invalid UInt64: "  20  "

def self.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)Source

def self.new(pull : JSON::PullParser)Source

def self.new(value) : selfSource

Returns an UInt64 by invoking #to_u64 on value.

def self.new!(value) : selfSource

Returns an UInt64 by invoking #to_u64! on value.

Class Method Detail

def self.from_json_object_key?(key : String)Source

Instance Method Detail

def !=(other : Int8) : BoolSource

Returns true if self is not equal to other.

def !=(other : Int16) : BoolSource

Returns true if self is not equal to other.

def !=(other : Int32) : BoolSource

Returns true if self is not equal to other.

def !=(other : Int64) : BoolSource

Returns true if self is not equal to other.

def !=(other : Int128) : BoolSource

Returns true if self is not equal to other.

def !=(other : UInt8) : BoolSource

Returns true if self is not equal to other.

def !=(other : UInt16) : BoolSource

Returns true if self is not equal to other.

def !=(other : UInt32) : BoolSource

Returns true if self is not equal to other.

def !=(other : UInt64) : BoolSource

Returns true if self is not equal to other.

def !=(other : UInt128) : BoolSource

Returns true if self is not equal to other.

def !=(other : Float32) : BoolSource

Returns true if self is not equal to other or if self and other are unordered.

def !=(other : Float64) : BoolSource

Returns true if self is not equal to other or if self and other are unordered.

def &(other : Int8) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : Int16) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : Int32) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : Int64) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : Int128) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : UInt8) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : UInt16) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : UInt32) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : UInt64) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &(other : UInt128) : selfSource

Returns the result of performing a bitwise AND of self's and other's bits.

def &*(other : Int8) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : Int16) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : Int32) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : Int64) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : Int128) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : UInt8) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : UInt16) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : UInt32) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : UInt64) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &*(other : UInt128) : selfSource

Returns the result of multiplying self and other. In case of overflow a wrapping is performed.

def &+(other : Int8) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : Int16) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : Int32) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : Int64) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : Int128) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : UInt8) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : UInt16) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : UInt32) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : UInt64) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &+(other : UInt128) : selfSource

Returns the result of adding self and other. In case of overflow a wrapping is performed.

def &-(other : Int8) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : Int16) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : Int32) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : Int64) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : Int128) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : UInt8) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : UInt16) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : UInt32) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : UInt64) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &-(other : UInt128) : selfSource

Returns the result of subtracting self and other. In case of overflow a wrapping is performed.

def &- : UInt64Source

def *(other : Int8) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : Int16) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : Int32) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : Int64) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : Int128) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : UInt8) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : UInt16) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : UInt32) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : UInt64) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : UInt128) : selfSource

Returns the result of multiplying self and other. Raises OverflowError in case of overflow.

def *(other : Float32) : Float32Source

Returns the result of multiplying self and other.

def *(other : Float64) : Float64Source

Returns the result of multiplying self and other.

def +(other : Int8) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : Int16) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : Int32) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : Int64) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : Int128) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : UInt8) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : UInt16) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : UInt32) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : UInt64) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : UInt128) : selfSource

Returns the result of adding self and other. Raises OverflowError in case of overflow.

def +(other : Float32) : Float32Source

Returns the result of adding self and other.

def +(other : Float64) : Float64Source

Returns the result of adding self and other.

def -(other : Int8) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : Int16) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : Int32) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : Int64) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : Int128) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : UInt8) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : UInt16) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : UInt32) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : UInt64) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : UInt128) : selfSource

Returns the result of subtracting self and other. Raises OverflowError in case of overflow.

def -(other : Float32) : Float32Source

Returns the result of subtracting self and other.

def -(other : Float64) : Float64Source

Returns the result of subtracting self and other.

def /(other : Int8) : Float64Source

def /(other : UInt8) : Float64Source

def /(other : Int16) : Float64Source

def /(other : UInt16) : Float64Source

def /(other : Int32) : Float64Source

def /(other : UInt32) : Float64Source

def /(other : Int64) : Float64Source

def /(other : UInt64) : Float64Source

def /(other : Int128) : Float64Source

def /(other : UInt128) : Float64Source

def /(other : Float32) : Float32Source

def /(other : Float64) : Float64Source

def /(other : BigInt) : BigFloatSource

def /(other : BigDecimal) : BigDecimalSource

def /(other : BigRational) : BigRationalSource

def <(other : Int8) : BoolSource

Returns true if self is less than other.

def <(other : Int16) : BoolSource

Returns true if self is less than other.

def <(other : Int32) : BoolSource

Returns true if self is less than other.

def <(other : Int64) : BoolSource

Returns true if self is less than other.

def <(other : Int128) : BoolSource

Returns true if self is less than other.

def <(other : UInt8) : BoolSource

Returns true if self is less than other.

def <(other : UInt16) : BoolSource

Returns true if self is less than other.

def <(other : UInt32) : BoolSource

Returns true if self is less than other.

def <(other : UInt64) : BoolSource

Returns true if self is less than other.

def <(other : UInt128) : BoolSource

Returns true if self is less than other.

def <(other : Float32) : BoolSource

Returns true if self is less than other.

def <(other : Float64) : BoolSource

Returns true if self is less than other.

def <=(other : Int8) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Int16) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Int32) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Int64) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Int128) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : UInt8) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : UInt16) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : UInt32) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : UInt64) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : UInt128) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Float32) : BoolSource

Returns true if self is less than or equal to other.

def <=(other : Float64) : BoolSource

Returns true if self is less than or equal to other.

def ==(other : Int8) : BoolSource

Returns true if self is equal to other.

def ==(other : Int16) : BoolSource

Returns true if self is equal to other.

def ==(other : Int32) : BoolSource

Returns true if self is equal to other.

def ==(other : Int64) : BoolSource

Returns true if self is equal to other.

def ==(other : Int128) : BoolSource

Returns true if self is equal to other.

def ==(other : UInt8) : BoolSource

Returns true if self is equal to other.

def ==(other : UInt16) : BoolSource

Returns true if self is equal to other.

def ==(other : UInt32) : BoolSource

Returns true if self is equal to other.

def ==(other : UInt64) : BoolSource

Returns true if self is equal to other.

def ==(other : UInt128) : BoolSource

Returns true if self is equal to other.

def ==(other : Float32) : BoolSource

Returns true if self is equal to other.

def ==(other : Float64) : BoolSource

Returns true if self is equal to other.

def >(other : Int8) : BoolSource

Returns true if self is greater than other.

def >(other : Int16) : BoolSource

Returns true if self is greater than other.

def >(other : Int32) : BoolSource

Returns true if self is greater than other.

def >(other : Int64) : BoolSource

Returns true if self is greater than other.

def >(other : Int128) : BoolSource

Returns true if self is greater than other.

def >(other : UInt8) : BoolSource

Returns true if self is greater than other.

def >(other : UInt16) : BoolSource

Returns true if self is greater than other.

def >(other : UInt32) : BoolSource

Returns true if self is greater than other.

def >(other : UInt64) : BoolSource

Returns true if self is greater than other.

def >(other : UInt128) : BoolSource

Returns true if self is greater than other.

def >(other : Float32) : BoolSource

Returns true if self is greater than other.

def >(other : Float64) : BoolSource

Returns true if self is greater than other.

def >=(other : Int8) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Int16) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Int32) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Int64) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Int128) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : UInt8) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : UInt16) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : UInt32) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : UInt64) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : UInt128) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Float32) : BoolSource

Returns true if self is greater than or equal to other.

def >=(other : Float64) : BoolSource

Returns true if self is greater than or equal to other.

def ^(other : Int8) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : Int16) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : Int32) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : Int64) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : Int128) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : UInt8) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : UInt16) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : UInt32) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : UInt64) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def ^(other : UInt128) : selfSource

Returns the result of performing a bitwise XOR of self's and other's bits.

def |(other : Int8) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : Int16) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : Int32) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : Int64) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : Int128) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : UInt8) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : UInt16) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : UInt32) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : UInt64) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def |(other : UInt128) : selfSource

Returns the result of performing a bitwise OR of self's and other's bits.

def abs : selfSource

Description copied from struct Int

Returns the absolute value of this number.

123.abs  # => 123
-123.abs # => 123

def abs_unsigned : selfSource

Returns the absolute value of self as an unsigned value of the same size.

Returns self if self is already an Int::Unsigned. This method never overflows.

1_u32.abs_unsigned      # => 1_u32
2_i32.abs_unsigned      # => 2_u32
-3_i8.abs_unsigned      # => 3_u8
Int16::MIN.abs_unsigned # => 32768_u16

def bit_reverse : selfSource

Reverses the bits of self; the least significant bit becomes the most significant, and vice-versa.

0b01001011_u8.bit_reverse          # => 0b11010010
0b1100100001100111_u16.bit_reverse # => 0b1110011000010011

def byte_swap : selfSource

Swaps the bytes of self; a little-endian value becomes a big-endian value, and vice-versa. The bit order within each byte is unchanged.

Has no effect on 8-bit integers.

0x123456789ABCDEF0_u64.byte_swap # => 0xF0DEBC9A78563412

def cloneSource

def leading_zeros_countSource

Returns the number of leading 0-bits.

def neg_signed : Int64Source

Returns the negative of self as a signed value of the same size.

Returns -self if self is already an Int::Signed. Raises OverflowError in case of overflow.

1_i32.neg_signed      # => -1_i32
2_u16.neg_signed      # => -2_i16
128_u8.neg_signed     # => -128_i8
Int16::MIN.neg_signed # raises OverflowError

def popcount : Int64Source

Description copied from struct Int

Counts 1-bits in the binary representation of this integer.

5.popcount   # => 2
-15.popcount # => 29

def rotate_left(n : Int) : selfSource

Returns the bitwise rotation of self n times in the most significant bit's direction. Negative shifts are equivalent to #rotate_right(-n).

0b01001101_u8.rotate_left(3)  # => 0b01101010
0b01001101_u8.rotate_left(8)  # => 0b01001101
0b01001101_u8.rotate_left(11) # => 0b01101010
0b01001101_u8.rotate_left(-1) # => 0b10100110

def rotate_right(n : Int) : selfSource

Returns the bitwise rotation of self n times in the least significant bit's direction. Negative shifts are equivalent to #rotate_left(-n).

0b01001101_u8.rotate_right(3)  # => 0b10101001
0b01001101_u8.rotate_right(8)  # => 0b01001101
0b01001101_u8.rotate_right(11) # => 0b10101001
0b01001101_u8.rotate_right(-1) # => 0b10011010

def to_f : Float64Source

Returns self converted to Float64. Raises OverflowError in case of overflow.

def to_f! : Float64Source

Returns self converted to Float64. In case of overflow a wrapping is performed.

def to_f32 : Float32Source

Returns self converted to Float32. Raises OverflowError in case of overflow.

def to_f32! : Float32Source

Returns self converted to Float32. In case of overflow a wrapping is performed.

def to_f64 : Float64Source

Returns self converted to Float64. Raises OverflowError in case of overflow.

def to_f64! : Float64Source

Returns self converted to Float64. In case of overflow a wrapping is performed.

def to_i : Int32Source

Returns self converted to Int32. Raises OverflowError in case of overflow.

def to_i! : Int32Source

Returns self converted to Int32. In case of overflow a wrapping is performed.

def to_i128 : Int128Source

Returns self converted to Int128. Raises OverflowError in case of overflow.

def to_i128! : Int128Source

Returns self converted to Int128. In case of overflow a wrapping is performed.

def to_i16 : Int16Source

Returns self converted to Int16. Raises OverflowError in case of overflow.

def to_i16! : Int16Source

Returns self converted to Int16. In case of overflow a wrapping is performed.

def to_i32 : Int32Source

Returns self converted to Int32. Raises OverflowError in case of overflow.

def to_i32! : Int32Source

Returns self converted to Int32. In case of overflow a wrapping is performed.

def to_i64 : Int64Source

Returns self converted to Int64. Raises OverflowError in case of overflow.

def to_i64! : Int64Source

Returns self converted to Int64. In case of overflow a wrapping is performed.

def to_i8 : Int8Source

Returns self converted to Int8. Raises OverflowError in case of overflow.

def to_i8! : Int8Source

Returns self converted to Int8. In case of overflow a wrapping is performed.

def to_signed : Int64Source

Returns self converted to a signed value of the same size.

Simply returns self unmodified if self is already an Int::Signed. Raises OverflowError in case of overflow.

1_u32.to_signed # => 1_i32
2_u16.to_signed # => 2_i16
3_i64.to_signed # => 3_i64

def to_signed! : Int64Source

Returns self converted to a signed value of the same size, wrapping in case of overflow.

Simply returns self unmodified if self is already an Int::Signed.

1_u32.to_signed!     # => 1_i32
65530_u16.to_signed! # => -6_i16
3_i64.to_signed!     # => 3_i64

def to_u : UInt32Source

Returns self converted to UInt32. Raises OverflowError in case of overflow.

def to_u! : UInt32Source

Returns self converted to UInt32. In case of overflow a wrapping is performed.

def to_u128 : UInt128Source

Returns self converted to UInt128. Raises OverflowError in case of overflow.

def to_u128! : UInt128Source

Returns self converted to UInt128. In case of overflow a wrapping is performed.

def to_u16 : UInt16Source

Returns self converted to UInt16. Raises OverflowError in case of overflow.

def to_u16! : UInt16Source

Returns self converted to UInt16. In case of overflow a wrapping is performed.

def to_u32 : UInt32Source

Returns self converted to UInt32. Raises OverflowError in case of overflow.

def to_u32! : UInt32Source

Returns self converted to UInt32. In case of overflow a wrapping is performed.

def to_u64 : UInt64Source

Returns self converted to UInt64. Raises OverflowError in case of overflow.

def to_u64! : UInt64Source

Returns self converted to UInt64. In case of overflow a wrapping is performed.

def to_u8 : UInt8Source

Returns self converted to UInt8. Raises OverflowError in case of overflow.

def to_u8! : UInt8Source

Returns self converted to UInt8. In case of overflow a wrapping is performed.

def to_unsigned : UInt64Source

Returns self converted to an unsigned value of the same size.

Simply returns self unmodified if self is already an Int::Unsigned. Raises OverflowError in case of overflow.

1_i32.to_unsigned # => 1_u32
2_i16.to_unsigned # => 2_u16
3_u64.to_unsigned # => 3_u64

def to_unsigned! : UInt64Source

Returns self converted to an unsigned value of the same size, wrapping in case of overflow.

Simply returns self unmodified if self is already an Int::Unsigned.

1_i32.to_unsigned!    # => 1_u32
(-6_i16).to_unsigned! # => 65530_u16
3_u64.to_unsigned!    # => 3_u64

def trailing_zeros_countSource

Description copied from struct Int

Returns the number of trailing 0-bits.

def unsafe_chr : CharSource

Returns a Char that has the unicode codepoint of self, without checking if this integer is in the range valid for chars (0..0xd7ff and 0xe000..0x10ffff). In case of overflow a wrapping is performed.

You should never use this method unless chr turns out to be a bottleneck.

97.unsafe_chr # => 'a'

© 2012–2026 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.19.0/UInt64.html