merged branch arnaud-lb/hash-key-expr (PR #514)

Commits
-------

542e9e7 added getKeyValuePairs() on Twig_Node_Expression_Array
3f64f1d added test for hash keys
4bdb3a9 fixed tests
3b1f269 support any expression as hash key

Discussion
----------

Allow hash keys to be any expression

This allows hash keys to be any expression

---------------------------------------------------------------------------

by fabpot at 2011/12/07 02:08:19 -0800

I had not implemented this feature back then because I'm not sure it makes sense to support it in the context of a templating system. I'm still not convinced that this is useful.

diff --cc lib/Twig/ExpressionParser.php
Simple merge

diff --cc test/Twig/Tests/ExpressionParserTest.php
Simple merge