View source code
Display the source code in std/traits.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

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);

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.