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Do not support GCC 9 (#1978)

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This will let us use C++20 features that GCC 9's experimental
C++20 support did not yet cover, such as "concepts".

This reverts some commits:
- 6bcd79b997
- d5ce5329ea
- 728d14879b
This commit is contained in:
Rangi
2026-05-22 16:46:46 -04:00
committed by GitHub
parent 48fcd9a0ca
commit 728bed39d5
11 changed files with 11 additions and 18 deletions
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include/util.hpp
+2 -2
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@@ -74,14 +74,14 @@ char const *printChar(int c);
struct Uppercase {
// FNV-1a hash of an uppercased string
size_t operator()(std::string const &str) const {
constexpr size_t operator()(std::string const &str) const {
return std::accumulate(RANGE(str), size_t(0x811C9DC5), [](size_t hash, char c) {
return (hash ^ toUpper(c)) * 16777619;
});
}
// Compare two strings without case-sensitivity (by converting to uppercase)
bool operator()(std::string const &str1, std::string const &str2) const {
constexpr bool operator()(std::string const &str1, std::string const &str2) const {
return std::equal(RANGE(str1), RANGE(str2), [](char c1, char c2) {
return toUpper(c1) == toUpper(c2);
});