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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) && is(T : real);


static assert(
    isSigned!int &&

static assert(
    !isSigned!uint &&


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


Boost License 1.0.