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Today's Topics:
1. High order function beggining doubt (Igor Pinheiro Le?o)
2. Re: High order function beggining doubt (Igor Pinheiro Le?o)
3. Re: High order function beggining doubt (David Flicker)
4. Re: High order function beggining doubt (Emanuel Koczwara)
5. Re: High order function beggining doubt (Igor Pinheiro Le?o)
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Message: 1
Date: Wed, 3 Jul 2013 20:40:20 -0300
From: Igor Pinheiro Le?o <[email protected]>
Subject: [Haskell-beginners] High order function beggining doubt
To: [email protected]
Message-ID:
<cagrj+gcvfngamnrjcdlm7esxu+m1jr0mdsbecx2vjbmyeyh...@mail.gmail.com>
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Hi there,
let a function whith the following signature:
annexer :: (b -> c) -> [a -> b] -> [a -> c]
How can i do that?
Kind regards,
Igor
--
Igor Vin?cius
Graduando em Ci?ncia da Computa??o
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Message: 2
Date: Wed, 3 Jul 2013 20:42:30 -0300
From: Igor Pinheiro Le?o <[email protected]>
Subject: Re: [Haskell-beginners] High order function beggining doubt
To: [email protected]
Message-ID:
<cagrj+gfp0gz6fh01+eb19fajjbpsghsw_kzpp8jffew-qkv...@mail.gmail.com>
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Oops, my bad.
*with.
2013/7/3 Igor Pinheiro Le?o <[email protected]>
> Hi there,
> let a function whith the following signature:
> annexer :: (b -> c) -> [a -> b] -> [a -> c]
> How can i do that?
>
> Kind regards,
> Igor
>
> --
> Igor Vin?cius
> Graduando em Ci?ncia da Computa??o
>
--
Igor Vin?cius
Graduando em Ci?ncia da Computa??o
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Message: 3
Date: Wed, 3 Jul 2013 19:46:28 -0400
From: David Flicker <[email protected]>
Subject: Re: [Haskell-beginners] High order function beggining doubt
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <[email protected]>
Message-ID:
<cabtopc1jx-hpmbj+9dambsdfejn4hb47hmpwz151fbmoodt...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hey Igor,
Try using a map and then the function composition operator ".".
Something like
annexer func list = map (\x -> (func . x)) list
Kind regards,
David
On Wed, Jul 3, 2013 at 7:42 PM, Igor Pinheiro Le?o <[email protected]>wrote:
> Oops, my bad.
> *with.
>
>
> 2013/7/3 Igor Pinheiro Le?o <[email protected]>
>
>> Hi there,
>> let a function whith the following signature:
>> annexer :: (b -> c) -> [a -> b] -> [a -> c]
>> How can i do that?
>>
>> Kind regards,
>> Igor
>>
>> --
>> Igor Vin?cius
>> Graduando em Ci?ncia da Computa??o
>>
>
>
>
> --
> Igor Vin?cius
> Graduando em Ci?ncia da Computa??o
>
> _______________________________________________
> Beginners mailing list
> [email protected]
> http://www.haskell.org/mailman/listinfo/beginners
>
>
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Message: 4
Date: Thu, 04 Jul 2013 01:47:14 +0200
From: Emanuel Koczwara <[email protected]>
Subject: Re: [Haskell-beginners] High order function beggining doubt
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <[email protected]>
Message-ID: <1372895234.29656.17.camel@emanuel-laptop>
Content-Type: text/plain; charset="us-ascii"
Hi,
Try this:
annexer a b = map (a.) b
Best regards,
Emanuel
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Message: 5
Date: Wed, 3 Jul 2013 20:59:29 -0300
From: Igor Pinheiro Le?o <[email protected]>
Subject: Re: [Haskell-beginners] High order function beggining doubt
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <[email protected]>
Message-ID:
<CAGrJ+gd0xP03i1B=tpya5ho8u87ib6hun-o1rykzywq0qks...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Thank you Emanuel and David!
It worked. Now I have to google in order to better understand function
composition.
Best,
Igor
2013/7/3 David Flicker <[email protected]>
> Hey Igor,
>
> Try using a map and then the function composition operator ".".
> Something like
>
> annexer func list = map (\x -> (func . x)) list
>
> Kind regards,
>
> David
>
>
> On Wed, Jul 3, 2013 at 7:42 PM, Igor Pinheiro Le?o <[email protected]>wrote:
>
>> Oops, my bad.
>> *with.
>>
>>
>> 2013/7/3 Igor Pinheiro Le?o <[email protected]>
>>
>>> Hi there,
>>> let a function whith the following signature:
>>> annexer :: (b -> c) -> [a -> b] -> [a -> c]
>>> How can i do that?
>>>
>>> Kind regards,
>>> Igor
>>>
>>> --
>>> Igor Vin?cius
>>> Graduando em Ci?ncia da Computa??o
>>>
>>
>>
>>
>> --
>> Igor Vin?cius
>> Graduando em Ci?ncia da Computa??o
>>
>> _______________________________________________
>> Beginners mailing list
>> [email protected]
>> http://www.haskell.org/mailman/listinfo/beginners
>>
>>
>
> _______________________________________________
> Beginners mailing list
> [email protected]
> http://www.haskell.org/mailman/listinfo/beginners
>
>
--
Igor Vin?cius
Graduando em Ci?ncia da Computa??o
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