Making str allocate less #2: trim and substr#5479

Merged

bors merged 2 commits intorust-lang:incomingfrom

Kimundi:str-dealloc

Mar 22, 2013

Commits on Mar 21, 2013

Switched over substr and trim functions in str to be non-allocating, temporary renamed them to better track use-sites
Kimundi
committed
Un-renamed trim and substr functions.
Kimundi
committed