Re: [Boost-bugs] [Boost C++ Libraries] #3446: [boost] [fusion] transform does not return a mutable view

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #3446: [boost] [fusion] transform does not return a mutable view
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2009-09-14 05:19:58

#3446: [boost] [fusion] transform does not return a mutable view
--------------------------------+-------------------------------------------
 Reporter:  jhellrung@…         |       Owner:  djowel      
     Type:  Feature Requests    |      Status:  new         
Milestone:  Boost 1.41.0        |   Component:  fusion      
  Version:  Boost 1.40.0        |    Severity:  Optimization
 Keywords:                      |  
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Comment(by djowel):

 That is by design. A transform_view is lazily evaluated. You'd want to
 assign back to the original container if you want it mutated. The effect
 and performance is the same.

 Do you have some code? I can probably recommend a way to do what you want.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/3446#comment:1>
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