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Template std.traits.isFunctionPointer
Detect whether symbol or type T is a function pointer.
Arguments
template isFunctionPointer(T...);
Example
static void foo() {}
void bar() {}
auto fpfoo = &foo;
static assert( isFunctionPointer!fpfoo);
static assert( isFunctionPointer!(void function()));
auto dgbar = &bar;
static assert(!isFunctionPointer!dgbar);
static assert(!isFunctionPointer!(void delegate()));
static assert(!isFunctionPointer!foo);
static assert(!isFunctionPointer!bar);
static assert( isFunctionPointer!((int a) {}));
Authors
Walter Bright,
Tomasz Stachowiak (isExpressions