Object int.int

object int

Types

Source

type %[X <: Int, Y <: Int] <: Int

Remainder of the division of X by Y.

import compiletime.ops.int._
val mod: 5 % 2 = 1

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type *[X <: Int, Y <: Int] <: Int

Multiplication of two Int singleton types.

import compiletime.ops.int._
val mul: 4 * 2 = 8

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type +[X <: Int, Y <: Int] <: Int

Addition of two Int singleton types.

import compiletime.ops.int._
val sum: 2 + 2 = 4

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type -[X <: Int, Y <: Int] <: Int

Subtraction of two Int singleton types.

import compiletime.ops.int._
val sub: 4 - 2 = 2

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type /[X <: Int, Y <: Int] <: Int

Integer division of two Int singleton types.

import compiletime.ops.int._
val div: 5 / 2 = 2

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type <[X <: Int, Y <: Int] <: Boolean

Less-than comparison of two Int singleton types.

import compiletime.ops.int._
val lt1: 4 < 2 = false
val lt2: 2 < 4 = true

Source

type <<[X <: Int, Y <: Int] <: Int

Binary left shift of X by Y.

import compiletime.ops.int._
val lshift: 1 << 2 = 4

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type <=[X <: Int, Y <: Int] <: Boolean

Less-or-equal comparison of two Int singleton types.

import compiletime.ops.int._
val lt1: 4 <= 2 = false
val lt2: 2 <= 2 = true

Source

type >[X <: Int, Y <: Int] <: Boolean

Greater-than comparison of two Int singleton types.

import compiletime.ops.int._
val gt1: 4 > 2 = true
val gt2: 2 > 2 = false

Source

type >=[X <: Int, Y <: Int] <: Boolean

Greater-or-equal comparison of two Int singleton types.

import compiletime.ops.int._
val ge1: 4 >= 2 = true
val ge2: 2 >= 3 = false

Source

type >>[X <: Int, Y <: Int] <: Int

Binary right shift of X by Y.

import compiletime.ops.int._
val rshift: 10 >> 1 = 5

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type >>>[X <: Int, Y <: Int] <: Int

Binary right shift of X by Y, filling the left with zeros.

import compiletime.ops.int._
val rshiftzero: 10 >>> 1 = 5

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type Abs[X <: Int] <: Int

Absolute value of an Int singleton type.

import compiletime.ops.int._
val abs: Abs[-1] = 1

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type BitwiseAnd[X <: Int, Y <: Int] <: Int

Bitwise and of X and Y.

import compiletime.ops.int._
val and1: BitwiseAnd[4, 4] = 4
val and2: BitwiseAnd[10, 5] = 0

Source

type BitwiseOr[X <: Int, Y <: Int] <: Int

Bitwise or of X and Y.

import compiletime.ops.int._
val or: BitwiseOr[10, 11] = 11

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type Max[X <: Int, Y <: Int] <: Int

Maximum of two Int singleton types.

import compiletime.ops.int._
val max: Max[-1, 1] = 1

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type Min[X <: Int, Y <: Int] <: Int

Minimum of two Int singleton types.

import compiletime.ops.int._
val min: Min[-1, 1] = -1

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type Negate[X <: Int] <: Int

Negation of an Int singleton type.

import compiletime.ops.int._
val neg1: Negate[-1] = 1
val neg2: Negate[1] = -1

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type NumberOfLeadingZeros[X <: Int] <: Int

Number of zero bits preceding the highest-order ("leftmost") one-bit in the two's complement binary representation of the specified Int singleton type. Returns 32 if the specified singleton type has no one-bits in its two's complement representation, in other words if it is equal to zero.

import compiletime.ops.int._
val zero_lzc: NumberOfLeadingZeros[0] = 32
val eight_lzc: NumberOfLeadingZeros[8] = 28
type Log2[N <: Int] = 31 - NumberOfLeadingZeros[N]
val log2of8: Log2[8] = 3

Source

type S[N <: Int] <: Int

Successor of a natural number where zero is the type 0 and successors are reduced as if the definition was:

import compiletime.ops.int._
type S[N <: Int] <: Int = N match {
  case 0 => 1
  case 1 => 2
  case 2 => 3
  // ...
  case 2147483646 => 2147483647
}

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type ToDouble[X <: Int] <: Double

Double conversion of an Int singleton type.

import compiletime.ops.int._
val x: ToDouble[1] = 1.0

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type ToFloat[X <: Int] <: Float

Float conversion of an Int singleton type.

import compiletime.ops.int._
val x: ToFloat[1] = 1.0f

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type ToLong[X <: Int] <: Long

Long conversion of an Int singleton type.

import compiletime.ops.int._
val x: ToLong[1] = 1L

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type ^[X <: Int, Y <: Int] <: Int

Bitwise xor of X and Y.

import compiletime.ops.int._
val xor: 10 ^ 30 = 20