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[stdlib] Better predicate docs/name for lexicographicalCompare

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Swift SVN r23006
This commit is contained in:
Dave Abrahams
2014-10-29 19:00:08 +00:00
parent 05abe4d996
commit 73956eb509
1 changed files with 6 additions and 2 deletions
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8
stdlib/core/Algorithm.swift
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@@ -376,14 +376,18 @@ public func lexicographicalCompare<
}
/// Return true iff `a1` precedes `a2` in a lexicographical ("dictionary")
/// ordering, using `less` as the comparison between elements.
/// ordering, using `isOrderedBefore` as the comparison between elements.
///
/// Requires: isOrderedBefore` is a `strict weak ordering
/// <http://en.wikipedia.org/wiki/Strict_weak_order#Strict_weak_orderings>`__
/// over the elements of `a1` and `a2`.
public func lexicographicalCompare<
S1 : SequenceType, S2 : SequenceType
where
S1.Generator.Element == S2.Generator.Element
>(
a1: S1, a2: S2,
less: (S1.Generator.Element,S1.Generator.Element)->Bool
isOrderedBefore less: (S1.Generator.Element,S1.Generator.Element)->Bool
) -> Bool {
var g1 = a1.generate()
var g2 = a2.generate()