Added <,>,<= and >= operators functions for strings.

1 files changed, 9 insertions, 0 deletions

diff --git a/include/string b/include/string
index e7fe904..dccd5ac 100644
--- a/include/string
+++ b/include/string
@@ -306,6 +306,15 @@ class string
     size_type mLength;  // len of the string excl. null-terminator.
 };
 
+// Comparaison:
+bool operator<(const string& lhs, const string& rhs);
+bool operator<=(const string& lhs, const string& rhs);
+bool operator>(const string& lhs, const string& rhs);
+bool operator>=(const string& lhs, const string& rhs);
+
+// Swap
+void swap(string& lhs, string& rhs);
+
 // I/O
 ostream& operator<<(ostream& os, const string& str);