diff options
Diffstat (limited to 'Godeps/_workspace/src/golang.org/x/text/language/go1_1.go')
-rw-r--r-- | Godeps/_workspace/src/golang.org/x/text/language/go1_1.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/golang.org/x/text/language/go1_1.go b/Godeps/_workspace/src/golang.org/x/text/language/go1_1.go new file mode 100644 index 000000000..380f4c09f --- /dev/null +++ b/Godeps/_workspace/src/golang.org/x/text/language/go1_1.go @@ -0,0 +1,38 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build !go1.2 + +package language + +import "sort" + +func sortStable(s sort.Interface) { + ss := stableSort{ + s: s, + pos: make([]int, s.Len()), + } + for i := range ss.pos { + ss.pos[i] = i + } + sort.Sort(&ss) +} + +type stableSort struct { + s sort.Interface + pos []int +} + +func (s *stableSort) Len() int { + return len(s.pos) +} + +func (s *stableSort) Less(i, j int) bool { + return s.s.Less(i, j) || !s.s.Less(j, i) && s.pos[i] < s.pos[j] +} + +func (s *stableSort) Swap(i, j int) { + s.s.Swap(i, j) + s.pos[i], s.pos[j] = s.pos[j], s.pos[i] +} |