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Template std.variant.VariantN.peek

If the VariantN object holds a value of the exact type T, returns a pointer to that value. Otherwise, returns null. In cases where T is statically disallowed, peek will not compile.

Arguments

template peek(T);

Functions

Function name Description
peek

Example

Variant a = 5;
auto b = a.peek!(int);
assert(b !is null);
*b = 6;
assert(a == 6);


Authors

Andrei Alexandrescu

License

Boost License 1.0.

Comments