[gnome-games/wip/exalm/platform-preferences: 10/36] platform: Add compare()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 6413da173888268cde0528f77f6697694b02e06f
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Tue Aug 7 21:00:11 2018 +0500

    platform: Add compare()
    
    Platforms will have to be sorted by name, hence add a compare() function.

 src/core/platform.vala | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/core/platform.vala b/src/core/platform.vala
index 1077f3be..9d907872 100644
--- a/src/core/platform.vala
+++ b/src/core/platform.vala
@@ -12,4 +12,8 @@ public interface Games.Platform : Object {
        public static bool equal (Platform a, Platform b) {
                return a == b || str_equal (a.get_id (), b.get_id ());
        }
+
+       public static int compare (Platform a, Platform b) {
+               return a.get_name ().collate (b.get_name ());
+       }
 }