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Enum member `std.traits.isLvalueAssignable`

Returns true iff an lvalue of type Rhs can be assigned to a variable of type Lhs.


						
				enum isLvalueAssignable(Lhs, Rhs)
				 = __traits(compiles, ()
{
lvalueOf!Lhs = lvalueOf!Rhs;
}
);

Example

struct S1
{
    void opAssign(S1);
}

struct S2
{
    void opAssign(ref S2);
}

static assert( isLvalueAssignable!(long, int));
static assert(!isLvalueAssignable!(int, long));
static assert( isLvalueAssignable!S1);
static assert( isLvalueAssignable!S2);

Authors

Walter Bright, Tomasz Stachowiak (isExpressions), Andrei Alexandrescu, Shin Fujishiro, Robert Clipsham, David Nadlinger, Kenji Hara, Shoichi Kato

License

Boost License 1.0.