tile38/vendor/golang.org/x/text/width/gen_trieval.go
Josh Baker 26d0083faf Update vendoring to use golang/dep
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:36:54 2017 -0700

    use symlink instead of copy

commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:19:26 2017 -0700

    use dep for vendoring
2017-10-05 07:40:19 -07:00

35 lines
796 B
Go

// 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.
// +build ignore
package main
// elem is an entry of the width trie. The high byte is used to encode the type
// of the rune. The low byte is used to store the index to a mapping entry in
// the inverseData array.
type elem uint16
const (
tagNeutral elem = iota << typeShift
tagAmbiguous
tagWide
tagNarrow
tagFullwidth
tagHalfwidth
)
const (
numTypeBits = 3
typeShift = 16 - numTypeBits
// tagNeedsFold is true for all fullwidth and halfwidth runes except for
// the Won sign U+20A9.
tagNeedsFold = 0x1000
// The Korean Won sign is halfwidth, but SHOULD NOT be mapped to a wide
// variant.
wonSign rune = 0x20A9
)