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Avoid using standard concepts

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Turns out those are unimplemented in clang < 13, use custom code
instead.
This commit is contained in:
Maxime Coste 2021-11-25 22:09:01 +11:00
parent e49b99e269
commit 4122b64ecd
1 changed files with 3 additions and 5 deletions
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8
src/utils.hh
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@ -4,7 +4,6 @@
#include "assert.hh"
#include <memory>
#include <concepts>
namespace Kakoune
{
@ -175,10 +174,9 @@ public:
{}
template<typename Target>
requires requires (Target t, Args... a) {
requires not std::is_same_v<FunctionRef, std::remove_cvref_t<Target>>;
{ t(a...) } -> std::convertible_to<Res>;
}
requires (not std::is_same_v<FunctionRef, std::remove_cvref_t<Target>> and
(std::is_void_v<Res> or
requires (Target t, Args... a, void(&func)(Res)) { func(t(a...)); }))
FunctionRef(Target&& target)
: m_target{&target},
m_invoker{[](void* target, Args... args) {