Optional.opAssign

Assign this optional to another optional

auto ref opAssign(None )
auto ref opAssign(U lhs)
auto ref opAssign(Optional!U lhs)
struct Optional(T)
ref
auto ref
opAssign
(
U : T
)
(
auto ref Optional!U lhs
)
if (
isMutable!T &&
isAssignable!(T, U)
)

Parameters

lhs Optional!U: left-hand optional value

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aurorafw stdx typecons Optional constructors

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