Ruby Issue Tracking System

11/23/2011

10:18 PM Ruby master Feature #5662: inject-accumulate, or Haskell's mapAccum*

Ok.. I'll give real example to show what is typical use case for us:
hash = MyDatabaseObject.get_all.infuse({}) { |h... EdvardM (Edvard Majakari)

04:17 PM Ruby master Feature #5662: inject-accumulate, or Haskell's mapAccum*

I also noticed mapAccum* is quite different.
I have to agree with Rodrigo. (each_)with_object seems to really do ... EdvardM (Edvard Majakari)

05:24 AM Ruby master Feature #5662 (Rejected): inject-accumulate, or Haskell's mapAccum*

with Ruby, we often use this idiom to build a hash out of something:
new_hash = enum.inject({}) { |h, thing| h[com... EdvardM (Edvard Majakari)