hasStaticMember

Whether the symbol represented by the string, member, exists and is a static member of T.

template hasStaticMember (

string member

) {

alias Alias(T) = T via import std.meta : Alias;;

static if(__traits(hasMember, T, member))

static if(__traits(getOverloads, U, member).length == 0)

enum bool hasStaticMember;

static if(__traits(hasMember, T, member))

static if(!(__traits(getOverloads, U, member).length == 0))

enum bool hasStaticMember;

static if(!(__traits(hasMember, T, member)))

enum bool hasStaticMember;

}

Parameters

T: Type containing symbol member.
member: Name of symbol to test that resides in T.

Return Value

true iff member exists and is static.

Examples

static struct S
{
    static void sf() {}
    void f() {}

    static int si;
    int i;
}

static assert( hasStaticMember!(S, "sf"));
static assert(!hasStaticMember!(S, "f"));

static assert( hasStaticMember!(S, "si"));
static assert(!hasStaticMember!(S, "i"));

static assert(!hasStaticMember!(S, "hello"));

hasStaticMember

Parameters

Return Value

Examples

Meta

Source