Changes between Initial Version and Version 1 of TupleSections


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Timestamp:
Dec 1, 2005 4:54:21 AM (9 years ago)
Author:
john@…
Comment:

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  • TupleSections

    v1 v1  
     1= Tuple Sections Proposal =  
     2 
     3 
     4allow tuple sections  
     5 
     6{{{ 
     7 
     8(1,,3) becomes \a -> (1,a,3) 
     9 
     10}}} 
     11 
     12== Pro == 
     13 
     14very oftenly requested. would save a lot of little cryptically named utility functions. higher order routines to fill in tuple values are quite common 
     15 
     16== Con == 
     17 
     18nested tuple sections can be a little unintuitive 
     19 
     20{{{ 
     21 
     22((1,),) becomes \a -> (\b -> (1,b),a) 
     23 
     24rather than \a b -> ((1,a),b) as some might expect. 
     25 
     26}}} 
     27 
     28