[Swift-user] assigning file variables

[Ben Clifford]

On Wed, 25 Feb 2009, Mihael Hategan wrote:

> it would be preferable to map t to what m is mapped to
> from the start

right. often (always?) the desire to do this kind of assignment comes from 
insufficient expressiveness in our mapping semantics. in the foreach case, 
I think my email suggests a reasonable alternative to assignments that 
allows mapping to be generated inside of Swift. In the iterate{} case, 
that in-swift expression is not possible at the moment, but could be. For 
example, soemthing like the ext mapper that only maps output files, not 
inputs, and calls a specified swift procedure to do that mapping. (thates 
something that has been discussed before, I think)

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