Remove redundant comparison operators

Since C++20 (a != b) get automatically rewritten as !(a == b) if
the != operator does not exist.

1 files changed, 3 insertions, 7 deletions

diff --git a/src/string.hh b/src/string.hh
index 9a7e39f0..ec199d4c 100644
--- a/src/string.hh
+++ b/src/string.hh
@@ -341,14 +341,10 @@ inline bool operator==(const StringView& lhs, const StringView& rhs)
        std::equal(lhs.begin(), lhs.end(), rhs.begin());
 }
 
-[[gnu::always_inline]]
-inline bool operator!=(const StringView& lhs, const StringView& rhs)
-{ return not (lhs == rhs); }
-
-inline bool operator<(const StringView& lhs, const StringView& rhs)
+inline auto operator<=>(const StringView& lhs, const StringView& rhs)
 {
-    return std::lexicographical_compare(lhs.begin(), lhs.end(),
-                                        rhs.begin(), rhs.end());
+    return std::lexicographical_compare_three_way(lhs.begin(), lhs.end(),
+                                                  rhs.begin(), rhs.end());
 }
 
 inline String operator"" _str(const char* str, size_t)