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[haskell.html.markdown] Explanation for Haskell '$' operator

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with support from @geoffliu
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Cornel Punga
2015-03-27 15:25:33 +02:00
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@@ -206,8 +206,7 @@ foo 5 -- 75
-- to a given parameter. In contrast to standard function application, which -- to a given parameter. In contrast to standard function application, which
-- has highest possible priority of 10 and is left-associative, the `$` operator -- has highest possible priority of 10 and is left-associative, the `$` operator
-- has priority of 0 and is right-associative. Such a low priority means that -- has priority of 0 and is right-associative. Such a low priority means that
-- all other operators on both sides of `$` will be evaluated before applying -- the expression on its right is applied as the parameter to the function on its left.
-- the `$`.
-- before -- before
(even (fib 7)) -- false (even (fib 7)) -- false