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Enum member `std.traits.isSigned`

Detect whether T is a built-in signed numeric type.


						
				enum isSigned(T)
				 = __traits(isArithmetic, T) && !__traits(isUnsigned, T);

Example

static assert(
    isSigned!int &&
    isSigned!long
);

static assert(
    !isSigned!uint &&
    !isSigned!ulong
);

Authors

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

License

Boost License 1.0.