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Today's Topics:
1. OPERATOR OVERLOADING AS IN C++ (Praveen Velliengiri)
2. Re: OPERATOR OVERLOADING AS IN C++ (Francesco Ariis)
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Message: 1
Date: Tue, 14 Feb 2017 18:21:37 +0530
From: Praveen Velliengiri <[email protected]>
To: [email protected]
Subject: [Haskell-beginners] OPERATOR OVERLOADING AS IN C++
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I'm new to functional programming, Whether it is possible to do operator
overloading in Haskell ? I go through the Idea of TYPECLASSES in Learn you
haskell tutorial. But I can't understand the idea Can anyone suggest me
some idea regarding Operator overloading and Type classes in Haskell.
Thank you guys
Praveen v
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Message: 2
Date: Tue, 14 Feb 2017 14:18:19 +0100
From: Francesco Ariis <[email protected]>
To: [email protected]
Subject: Re: [Haskell-beginners] OPERATOR OVERLOADING AS IN C++
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
On Tue, Feb 14, 2017 at 06:21:37PM +0530, Praveen Velliengiri wrote:
> I'm new to functional programming, Whether it is possible to do operator
> overloading in Haskell ? I go through the Idea of TYPECLASSES in Learn you
> haskell tutorial. But I can't understand the idea Can anyone suggest me
> some idea regarding Operator overloading and Type classes in Haskell.
> Thank you guys
Hello Praveen,
indeed Haskell uses typeclasses to deal with ad hoc polymorphism.
Are you familiar with any of them? If I write in ghci:
λ> show 707
"707"
λ> show True
"True"
λ> show 'c'
"'c'"
λ> show "palla"
"\"palla\""
that is possible because numerous types are instances of the typeclass
Show, which provides `show`
λ> :t show
show :: Show a => a -> String
Does that help a bit? Or you aren't sure about the typeclass syntax?
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