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Enum member `std.meta.staticIndexOf`

Returns the index of the first occurrence of args[0] in the sequence args[1 .. $]. args may be types or compile-time values. If not found, -1 is returned.


						
				enum staticIndexOf(args...)
				 = ()
{
static foreach (idx, arg; args[1..__dollar])
{
static if (isSame!(args[0], arg))
{
if (__ctfe)
return idx;
}

}
return -1;
}
();

Example

import std.stdio;

void foo()
{
    writefln("The index of long is %s",
             staticIndexOf!(long, AliasSeq!(int, long, double)));
    // prints: The index of long is 1
}

Authors

Walter Bright, David Nadlinger

License

Boost License 1.0.