From 3ff08d747c40c2fa744483af8717173c6e97cedd Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Mon, 21 Sep 2015 09:57:35 +0200
Subject: Add GlAttributes::map_sharing

---
 src/lib.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index 4cf9b0d..a5155f9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -629,6 +629,20 @@ pub struct GlAttributes<S> {
     pub vsync: bool,
 }
 
+impl<S> GlAttributes<S> {
+    /// Turns the `sharing` parameter into another type by calling a closure.
+    pub fn map_sharing<F, T>(self, f: F) -> GlAttributes<T> where F: FnOnce(S) -> T {
+        GlAttributes {
+            sharing: self.sharing.map(f),
+            version: self.version,
+            profile: self.profile,
+            debug: self.debug,
+            robustness: self.robustness,
+            vsync: self.vsync,
+        }
+    }
+}
+
 impl<S> Default for GlAttributes<S> {
     fn default() -> GlAttributes<S> {
         GlAttributes {
-- 
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