From 354da79bb2edaa1af7d909d2774e7d67eb4e198c Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 23 Jan 2018 18:17:51 +0100 Subject: Add vendor --- vendor/golang.org/x/text/internal/internal.go | 51 +++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 vendor/golang.org/x/text/internal/internal.go (limited to 'vendor/golang.org/x/text/internal/internal.go') diff --git a/vendor/golang.org/x/text/internal/internal.go b/vendor/golang.org/x/text/internal/internal.go new file mode 100644 index 0000000..eac8328 --- /dev/null +++ b/vendor/golang.org/x/text/internal/internal.go @@ -0,0 +1,51 @@ +// Copyright 2015 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. + +//go:generate go run gen.go + +// Package internal contains non-exported functionality that are used by +// packages in the text repository. +package internal // import "golang.org/x/text/internal" + +import ( + "sort" + + "golang.org/x/text/language" +) + +// SortTags sorts tags in place. +func SortTags(tags []language.Tag) { + sort.Sort(sorter(tags)) +} + +type sorter []language.Tag + +func (s sorter) Len() int { + return len(s) +} + +func (s sorter) Swap(i, j int) { + s[i], s[j] = s[j], s[i] +} + +func (s sorter) Less(i, j int) bool { + return s[i].String() < s[j].String() +} + +// UniqueTags sorts and filters duplicate tags in place and returns a slice with +// only unique tags. +func UniqueTags(tags []language.Tag) []language.Tag { + if len(tags) <= 1 { + return tags + } + SortTags(tags) + k := 0 + for i := 1; i < len(tags); i++ { + if tags[k].String() < tags[i].String() { + k++ + tags[k] = tags[i] + } + } + return tags[:k+1] +} -- cgit v1.2.3