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Groups > comp.lang.haskell > #431

Re: how to generalize these two map into one map

From Mark Carroll <mtbc@bcs.org>
Newsgroups comp.lang.haskell
Subject Re: how to generalize these two map into one map
Date 2016-07-27 08:39 +0100
Organization none
Message-ID <87shuvjzrp.fsf@ixod.org> (permalink)
References <49f1ff1f-57f1-4f22-b943-fcbd28f6aac5@googlegroups.com>

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On 27 Jul 2016, Ho Yeung Lee wrote:

> import Data.Foldable
> let aa = map (+1.2) [1,2]
> let bb = map (+1.4) [2,3]
>
> i find foldr, but how to use it for above two map?

I am not sure for what result you are hoping, but perhaps "zip" can
help?

-- Mark

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Thread

how to generalize these two map into one map Ho Yeung Lee <davidbenny2000@gmail.com> - 2016-07-26 22:08 -0700
  Re: how to generalize these two map into one map Mark Carroll <mtbc@bcs.org> - 2016-07-27 08:39 +0100
    Re: how to generalize these two map into one map meInvent bbird <jobmattcon@gmail.com> - 2016-07-27 02:17 -0700
      Re: how to generalize these two map into one map Mark Carroll <mtbc@bcs.org> - 2016-07-27 10:30 +0100
        Re: how to generalize these two map into one map meInvent bbird <jobmattcon@gmail.com> - 2016-07-27 20:20 -0700

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