Difference between revisions of "PreludeTour"

Revision as of 13:37, 26 October 2009

type:	`abs :: Num a => a -> a`
description:	returns the absolute value of a number.
definition:	abs x \| x >= 0 = x \| otherwise = -x
usage:	Prelude> abs (-3) 3

type:	`all :: (a -> Bool) -> [a] -> Bool`
description:	Applied to a predicate and a list, returns True if all elements of the list satisfy the predicate, and False otherwise. Similar to the function #any.
definition:	all p xs = and (map p xs)
usage:	Prelude> all (<11) [1..10] True Prelude> all isDigit "123abc" False

@@ Line 23: / Line 23: @@
 |}
-;'''all''':
+;<span id="all">'''all'''</span>:
 {| border="0" cellpadding="4"
 |-
 | ''type:'' || <hask>all :: (a -> Bool) -> [a] -> Bool</hask>
 |-
-| ''description:'' || pplied to a predicate and a list, returns True if all elements of the list satisfy the predicate, and False otherwise. Similar to the function any.
+| ''description:'' || Applied to a predicate and a list, returns True if all elements of the list satisfy the predicate, and False otherwise. Similar to the function [[#any]].
 |-
 | ''definition:''