sup

commit e37b96e759baad6d069a85c0a33ee90236c583e6
parent f8229ce1cbe19e494d3936c5f836b17e0478a1fa
Author: Vickenty Fesunov <kent@setattr.net>
Date:   Wed, 24 Jun 2015 20:39:33 +0200

Make String.wrap faster.

Call slice_by_display_length() only once and keep the result.

Diffstat:

1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/lib/sup/util.rb b/lib/sup/util.rb
@@ -344,13 +344,14 @@ class String
     ret = []
     s = self
     while s.display_length > len
-      cut = s.slice_by_display_length(len).rindex(/\s/)
+      slice = s.slice_by_display_length(len)
+      cut = slice.rindex(/\s/)
       if cut
         ret << s[0 ... cut]
         s = s[(cut + 1) .. -1]
       else
-        ret << s.slice_by_display_length(len)
-        s = s[ret.last.length .. -1]
+        ret << slice
+        s = s[slice.length .. -1]
       end
     end
     ret << s