Issue 2238: Add a __contains__() method to support the "val in env"
authorstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Sun, 9 Nov 2008 14:47:35 +0000 (14:47 +0000)
committerstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Sun, 9 Nov 2008 14:47:35 +0000 (14:47 +0000)
commit1335a3f7948cbb6effaa96b0dc5264f6a597c670
treea147a5820356021e8d7f130c7e4e71afbb4817ee
parent13df5b989072be60efe6f8cb1b48d50127f63c8d
Issue 2238:  Add a __contains__() method to support the "val in env"
statement for construction environments.

git-svn-id: http://scons.tigris.org/svn/scons/trunk@3775 fdb21ef1-2011-0410-befe-b5e4ea1792b1
src/CHANGES.txt
src/engine/SCons/Environment.py
src/engine/SCons/EnvironmentTests.py