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Enum std.traits.member isBoolean
Detect whether T is a built-in boolean type.
Declaration
enum isBoolean(T) = is(BooleanTypeOf!T) && !isAggregateType!T;
Example
static assert( isBoolean!bool);
enum EB : bool { a = true }
static assert( isBoolean!EB);
static assert(!isBoolean!(SubTypeOf!bool));
Authors
Walter Bright,
Tomasz Stachowiak (isExpressions