Re: [Haskell-cafe] Lambda-case / lambda-if

On Sat, 2 Oct 2010, Colin Paul Adams wrote:

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"Max" == Max Bolingbroke writes:

Prelude> (if then "Haskell" else "Cafe") False Max> "Cafe"

My reaction is to ask:

Can you write this as:

(if then else) False "Haskell" "Cafe"

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Sure: ifThenElse :: Bool -> a -> a -> a ifThenElse True x _ = x ifThenElse False _ y = y Prelude> ifThenElse False "Haskell" "Cafe" (I have done this in utility-ht, and called it "if'".)