chiark / gitweb /
transform: add ->valid() function
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 21 Jun 2012 01:20:39 +0000 (02:20 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 12 Jul 2012 19:02:21 +0000 (20:02 +0100)
This allows outside callers to find out whether the transform has been
keyed, and can therefore relieve them of the need to track this
separately.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

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