added order and equality for strings in libgu

src/runtime/c/gu/string.c

@@ -421,6 +421,17 @@ gu_string_eq(GuString s1, GuString s2)
 
 }
 
+static bool
+gu_string_eq_fn(GuEquality* self, const void* p1, const void* p2)
+{
+	(void) self;
+	const GuString* sp1 = p1;
+	const GuString* sp2 = p2;
+	return gu_string_eq(*sp1, *sp2);
+}
+
+GuEquality gu_string_equality[1] = { { gu_string_eq_fn } };
+
 int
 gu_string_cmp(GuString s1, GuString s2)
 {
@@ -478,6 +489,17 @@ gu_string_cmp(GuString s1, GuString s2)
 	return 0;
 }
 
+static int
+gu_string_cmp_fn(GuOrder* self, const void* p1, const void* p2)
+{
+	(void) self;
+	const GuString* sp1 = p1;
+	const GuString* sp2 = p2;
+	return gu_string_cmp(*sp1, *sp2);
+}
+
+GuOrder gu_string_order[1] = { { gu_string_cmp_fn } };
+
 static GuHash
 gu_string_hasher_hash(GuHasher* self, const void* p)
 {
@@ -486,15 +508,6 @@ gu_string_hasher_hash(GuHasher* self, const void* p)
 	return gu_string_hash(0, *sp);
 }
 
-static bool
-gu_string_eq_fn(GuEquality* self, const void* p1, const void* p2)
-{
-	(void) self;
-	const GuString* sp1 = p1;
-	const GuString* sp2 = p2;
-	return gu_string_eq(*sp1, *sp2);
-}
-
 GuHasher gu_string_hasher[1] = {
 	{
 		.eq = { gu_string_eq_fn },

src/runtime/c/gu/string.h

@@ -81,6 +81,19 @@ gu_string_is_prefix(GuString s1, GuString s2);
 
 #endif // GU_STRING_H_
 
+#if defined(GU_FUN_H_) && !defined(GU_STRING_H_FUN_)
+#define GU_STRING_H_FUN_
+bool
+gu_string_eq(GuString s1, GuString s2);
+
+extern GuEquality gu_string_equality[1];
+
+int
+gu_string_cmp(GuString s1, GuString s2);
+
+extern GuOrder gu_string_order[1];
+#endif
+
 #if defined(GU_HASH_H_) && !defined(GU_STRING_H_HASH_)
 #define GU_STRING_H_HASH_
 
@@ -88,12 +101,6 @@ GuHash
 gu_string_hash(GuHash h, GuString s);
 
 extern GuHasher gu_string_hasher[1];
-
-bool
-gu_string_eq(GuString s1, GuString s2);
-
-int
-gu_string_cmp(GuString s1, GuString s2);
 #endif
 
 #ifdef GU_TYPE_H_