view tests/mini/tupleval.d @ 705:5a2983f97498

Fixed weird struct problem from downs, see mini/compile_structs1.d Rewrote DtoIndexStruct/Class , the old implementation were way too complex for what we really need now - since the DotVar changes.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 14 Oct 2008 15:35:49 +0200
parents 8d850fa25713
children
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line source

module foo;

template ParameterTupleOf( Fn )
{
    static if( is( Fn Params == function ) )
        alias Params ParameterTupleOf;
    else static if( is( Fn Params == delegate ) )
        alias ParameterTupleOf!(Params) ParameterTupleOf;
    else static if( is( Fn Params == Params* ) )
        alias ParameterTupleOf!(Params) ParameterTupleOf;
    else
        static assert( false, "Argument has no parameters." );
}

struct S
{
	int opApply(T)(T dg)
	{
		alias ParameterTupleOf!(T) U;
		U u;
		u[0] = 1;
		u[1] = 2;
		return 0;
	}
}

void main()
{
	foreach(int x, int y; S()){}
}