From dc08fb9dfd474023084de9ce86f29f177ca52fdc Mon Sep 17 00:00:00 2001
From: Alexey Rusakov <Kitsune-Ral@users.sf.net>
Date: Thu, 2 Dec 2021 15:24:44 +0100
Subject: Improve function_traits<>; split out from util.*

Quotient::function_traits<> did not support member functions in a proper
way (i.e. the way std::invoke_result<> treats them, with the function's
owning class represented as the first parameter). Now that I gained
the skill and understanding in function_traits<> somewhat wicked
machinery, I could properly support member functions. Overloads and
generic lambdas are not supported but maybe we'll get to those one day.
---
 lib/util.cpp | 32 --------------------------------
 1 file changed, 32 deletions(-)

(limited to 'lib/util.cpp')

diff --git a/lib/util.cpp b/lib/util.cpp
index 2dfb09a6..03ebf325 100644
--- a/lib/util.cpp
+++ b/lib/util.cpp
@@ -135,35 +135,3 @@ int Quotient::patchVersion()
 {
     return Quotient_VERSION_PATCH;
 }
-
-// Tests for function_traits<>
-
-using namespace Quotient;
-
-int f_();
-static_assert(std::is_same<fn_return_t<decltype(f_)>, int>::value,
-              "Test fn_return_t<>");
-
-void f1_(int, QString);
-static_assert(std::is_same<fn_arg_t<decltype(f1_), 1>, QString>::value,
-              "Test fn_arg_t<>");
-
-struct Fo {
-    int operator()();
-    static constexpr auto l = [] { return 0.0f; };
-};
-static_assert(std::is_same<fn_return_t<Fo>, int>::value,
-              "Test return type of function object");
-static_assert(std::is_same<fn_return_t<decltype(Fo::l)>, float>::value,
-              "Test return type of lambda");
-
-struct Fo1 {
-    void operator()(int);
-};
-static_assert(std::is_same<fn_arg_t<Fo1>, int>(),
-              "Test fn_arg_t defaulting to first argument");
-
-template <typename T>
-static QString ft(T&&);
-static_assert(std::is_same<fn_arg_t<decltype(ft<QString>)>, QString&&>(),
-              "Test function templates");
-- 
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