On Sunday, 31 January 2021 at 14:04:00 UTC, realhet wrote:
Hi,
I wan't to process every specialization of the BitFlags struct
in a function:
So far the best I can come up is this:
static void stdUI(F)(ref F flags)
if(F.stringof.startsWith("BitFlags!(")){}
But it's obviously lame.
If I try this way:
static void stdUI(E, U)(ref BitFlags!(E, U) flags){}
I get a cannot deduce arguments error.
Your problem is that you are trying to match `U`, a template type
parameter [1], with BitFlags' `unsafe`, a template value
parameter [2]. It should work if you change it to:
static void stdUI(E, Flag!"unsafe" u)(ref BitFlags!(E, u)
flags) {}
[1] https://dlang.org/spec/template.html#template_type_parameters
[2] https://dlang.org/spec/template.html#template_value_parameter
