HashMap.opCast

Implement boolean conversion for a map.

struct HashMap(K, V)

@nogc @safe pure nothrow const

bool

opCast

(

T : bool

)

()

if (

isAssignmentCopyable!(Unqual!K) &&

isAssignmentCopyable!(Unqual!V)

)

Return Value

Type: bool

True if this set is not empty.

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