when<T> static method
void
when<T>(
- Maybe<
T> maybe, { - MaybeNothing? nothing,
- MaybeSome<
T?> ? some, - MaybeDefault<
T> ? defaultValue,
Implementation
static void when<T>(
Maybe<T> maybe, {
MaybeNothing? nothing,
MaybeSome<T?>? some,
MaybeDefault<T>? defaultValue,
}) {
if (isNothing(maybe)) {
if (defaultValue != null) {
if (some != null) {
some(defaultValue());
}
} else if (nothing != null) {
nothing();
}
} else if (some != null) {
some(maybe._value);
}
}