libgraphviz: use unboxed closures in LabelText methods

Jorge Aparicio · Jorge Aparicio · commit 5d7543b6baf5 · 2014-12-13T17:03:46.000-05:00
diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
@@ -421,7 +421,7 @@ pub trait Labeller<'a,N,E> {
 }
 
 impl<'a> LabelText<'a> {
-    fn escape_char(c: char, f: |char|) {
+    fn escape_char<F>(c: char, mut f: F) where F: FnMut(char) {
         match c {
             // not escaping \\, since Graphviz escString needs to
             // interpret backslashes; see EscStr above.

Original file line number	Diff line number	Diff line change
`@@ -421,7 +421,7 @@ pub trait Labeller<'a,N,E> {`
`421`	`421`	`}`
`422`	`422`
`423`	`423`	`impl<'a> LabelText<'a> {`
`424`		`- fn escape_char(c: char, f: \|char\|) {`
	`424`	`+ fn escape_char<F>(c: char, mut f: F) where F: FnMut(char) {`
`425`	`425`	`match c {`
`426`	`426`	`// not escaping \\, since Graphviz escString needs to`
`427`	`427`	`// interpret backslashes; see EscStr above.`