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Option

[Source]

Option contains a spec and an effective value for a given option.

class val Option

Constructors

create

[Source]

new val create(
  spec': OptionSpec val,
  value': (Bool val | String val | I64 val | 
    U64 val | F64 val | _StringSeq val))
: Option val^

Parameters

Returns

Public Functions

spec

[Source]

fun box spec()
: OptionSpec val

Returns

bool

[Source]

Returns the option value as a Bool, defaulting to false.

fun box bool()
: Bool val

Returns

string

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Returns the option value as a String, defaulting to empty.

fun box string()
: String val

Returns

i64

[Source]

Returns the option value as an I64, defaulting to 0.

fun box i64()
: I64 val

Returns

u64

[Source]

Returns the option value as an U64, defaulting to 0.

fun box u64()
: U64 val

Returns

f64

[Source]

Returns the option value as an F64, defaulting to 0.0.

fun box f64()
: F64 val

Returns

string_seq

[Source]

Returns the option value as a ReadSeq[String], defaulting to empty.

fun box string_seq()
: ReadSeq[String val] val

Returns

deb_string

[Source]

fun box deb_string()
: String val

Returns

Private Functions

_append

[Source]

fun box _append(
  next: Option val)
: Option val

Parameters

Returns

© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/cli-Option