Re: [Pharo-dev] ensure: and assignments RB Rule

Le 30/11/2014 11:06, Max Leske a écrit :

The code would look like this:

[ | file | file := StandardFileStream forceNewFileNamed: ‘foo’. file nextPutAll: ‘bar’ ] ensure: [ file close ].

Why that is considered bad practice however, I can’t tell.

This one would fail because file is a temp to the block (and not visible to the ensure block). Another problem is that, if you have a failure in forceNewFileNamed:, file is nil and the ensure: fail as well. This is how I interpret that rule. Thierry