tree dd28ad990222f800698b129bdc7d63a562a127aa
parent 2607bbf30b4db5126704e98c702f724d84fe6d50
author David Neto <dneto@google.com> 1472161508 -0400
committer David Neto <dneto@google.com> 1472161738 -0400

Add Instruction begin and end mutable iterators

Refactored the instuction test.