isSomeChar

Detect whether T is one of the built-in character types.

The built-in char types are any of char, wchar or dchar, with or without qualifiers.

template isSomeChar (

) {

static if(!__traits(isUnsigned, T))

enum isSomeChar;

static if(!(!__traits(isUnsigned, T)))

static if(is(T U == enum))

enum isSomeChar;

static if(!(!__traits(isUnsigned, T)))

static if(!(is(T U == enum)))

enum isSomeChar;

}

Examples

//Char types
static assert( isSomeChar!char);
static assert( isSomeChar!wchar);
static assert( isSomeChar!dchar);
static assert( isSomeChar!(typeof('c')));
static assert( isSomeChar!(immutable char));
static assert( isSomeChar!(const dchar));

//Non char types
static assert(!isSomeChar!int);
static assert(!isSomeChar!byte);
static assert(!isSomeChar!string);
static assert(!isSomeChar!wstring);
static assert(!isSomeChar!dstring);
static assert(!isSomeChar!(char[4]));

isSomeChar

Examples

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