Mercurial > projects > ldc
view tests/mini/tupleval.d @ 1291:875afb7a93b6
Factor out some constants into the header so producers and consumers of
metadata stay in sync (and are more readable).
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Sat, 02 May 2009 20:42:58 +0200 |
parents | 8d850fa25713 |
children |
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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()){} }