replace std::result_of_t

Matthias Wittgen · Matthias Wittgen · commit b5a7bda41f2b · 2024-08-22T20:15:58.000-07:00
diff --git a/include/lsst/cpputils/tests.h b/include/lsst/cpputils/tests.h
@@ -84,7 +84,7 @@ constexpr void assertValidHash() {
     static_assert(is_same<typename Hash::result_type, size_t>::value,
                   "std::hash must have a result_type member until C++20");
     // Ability to call Hash(T) hard to test before C++17
-    static_assert(is_same<result_of_t<Hash(T)>, size_t>::value,
+    static_assert(is_same<std::invoke_result_t<Hash, T>, size_t>::value,
                   "std::hash specializations must be callable and return a size_t");
 }
 

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@ constexpr void assertValidHash() {`
`84`	`84`	`static_assert(is_same<typename Hash::result_type, size_t>::value,`
`85`	`85`	`"std::hash must have a result_type member until C++20");`
`86`	`86`	`// Ability to call Hash(T) hard to test before C++17`
`87`		`- static_assert(is_same<result_of_t<Hash(T)>, size_t>::value,`
	`87`	`+ static_assert(is_same<std::invoke_result_t<Hash, T>, size_t>::value,`
`88`	`88`	`"std::hash specializations must be callable and return a size_t");`
`89`	`89`	`}`
`90`	`90`