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[bug #46418] NSPredicate is missing a predicateWithBlock implementation


From: Niels Grewe
Subject: [bug #46418] NSPredicate is missing a predicateWithBlock implementation
Date: Wed, 09 Mar 2016 14:10:00 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/601.4.4 (KHTML, like Gecko) Version/9.0.3 Safari/601.4.4

Follow-up Comment #5, bug #46418 (project gnustep):

> But ... the second one doesn't pass in OSX-10.11.3 :-(

A bug in the OS X implement IMHO (I'm in the process of preparing the bug
report): 

On OS X [predicate evaluateWithObject: o substituationVariables: v] works. It
is supposed to be a shorthand for [[predicate
predicateWithSubstitutionVariables: v] evaluateWithObject: o] (optimising away
the allocation of the intermediary object). 

It looks like they didn't implement that for block predicates, but we need it
to work because we don't have -evaluateWithObject:substitutionVariables: yet.

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  <http://savannah.gnu.org/bugs/?46418>

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