document non-capturing groups (closes gorilla#143)

brianmichel · Sep 20, 2016 · 14f5df0 · 14f5df0
1 parent 0a192a1
commit 14f5df0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doc.go b/doc.go
@@ -47,6  47,10 @@ variable will be anything until the next slash. For example:
 	r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
 	r.HandleFunc("/articles/{category}/{id:[0-9] }", ArticleHandler)
 
 Groups can be used inside patterns, as long as they are non-capturing (?:re). For example:
 
 	r.HandleFunc("/articles/{category}/{sort:(?:asc|desc|new)}", ArticlesCategoryHandler)
 
 The names are used to create a map of route variables which can be retrieved
 calling mux.Vars():