> Right, casting a /single/ element works: > auto x = [cast(T0)(t1), t2]; > auto y = [t1, cast(T0)(t2)];
So I guess it was implemented as "Common type within the given set." > But to! fails: > auto x = [to!(T0)(t1), t2]; > auto y = [t1, to!(T0)(t2)]; > /usr/include/d/dmd/phobos/std/conv.d(99): Error: template > std.conv.toImpl(T,S) > if (!implicitlyConverts!(S,T) && isSomeString!(T) && > isInputRange!(Unqual!(S)) > && isSomeChar!(ElementType!(S))) toImpl(T,S) if (!implicitlyConverts!(S,T) && > isSomeString!(T) && isInputRange!(Unqual!(S)) && > isSomeChar!(ElementType!(S))) > matches more than one template declaration, > /usr/include/d/dmd/phobos/std/conv.d(559):toImpl(Target,Source) if > (implicitlyConverts!(Source,Target)) and > /usr/include/d/dmd/phobos/std/conv.d(626):toImpl(T,S) if (is(S : Object) && > is(T : Object)) > > Already had this endless error message once ;-) > Looks like another bug of non mutually exclusive template constraints? Yep, looks like. See I told you 'to' was safe, can't be more safe than not allowed :)
