generald v0.7.0 (2015-08-28T03:30:43Z)

maybeMap

generald functions

Map function for Maybe.

auto
maybeMap
(
F
)
(
F f
)
if (
is(F : Function!(A, B),
A
B
)
)

Examples

auto maybeId = maybeMap(RealFunction!(id!int).get);
assert (maybeId(just(0)) == just(0));

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