tree 96c3bf717e46d7a761404510d8a4cd31b20d4e8b
parent 08dd7304aa69b23a9ae8a3a4ca924e4d03f59a57
author Mika Isojärvi <misojarvi@google.com> 1422481577 -0800
committer Mika Isojärvi <misojarvi@google.com> 1423701237 -0800

Add tcuEither that contains one of two different types.

tcuEither class contains one of two different types. Basicly it works
like union with two types, but also tracks which one it contains.

Change-Id: I2183c2dcc947b1a3c6af6abd6dca37318c32107e