Bang patterns, ~ patterns, and lazy let

Simon Peyton-Jones simonpj at
Tue Feb 7 17:37:43 EST 2006

Applying the rules on the wiki, the first step is to translate the first
expression into a tuple binding, omitting the implicit ~:


Not so!  I changed it a few days ago after talking to Ben, to a simpler
form that works nicely for recursive bindings too.  Darn - I forgot to
change the rules at the bottom.


Anyway, read the section "Let and where bindings". Sorry about the rules
at the end.



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