runewidth

package
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Published: Feb 16, 2017 License: Apache-2.0 Imports: 3 Imported by: 0

README

go-runewidth
============

[![Build Status](https://travis-ci.org/mattn/go-runewidth.png?branch=master)](https://travis-ci.org/mattn/go-runewidth)
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[![GoDoc](https://godoc.org/github.com/mattn/go-runewidth?status.svg)](http://godoc.org/github.com/mattn/go-runewidth)

Provides functions to get fixed width of the character or string.

Usage
-----

```go
runewidth.StringWidth("つのだ☆HIRO") == 12
```


Author
------

Yasuhiro Matsumoto

License
-------

under the MIT License: http://mattn.mit-license.org/2013

Documentation

Index

Constants

This section is empty.

Variables

View Source
var DefaultCondition = &Condition{EastAsianWidth}
View Source
var EastAsianWidth = IsEastAsian()

Functions

func FillLeft

func FillLeft(s string, w int) string

func FillRight

func FillRight(s string, w int) string

func IsAmbiguousWidth

func IsAmbiguousWidth(r rune) bool

IsAmbiguousWidth returns whether is ambiguous width or not.

func IsEastAsian

func IsEastAsian() bool

func IsNeutralWidth

func IsNeutralWidth(r rune) bool

IsAmbiguousWidth returns whether is ambiguous width or not.

func RuneWidth

func RuneWidth(r rune) int

RuneWidth returns the number of cells in r. See http://www.unicode.org/reports/tr11/

func StringWidth

func StringWidth(s string) (width int)

func Truncate

func Truncate(s string, w int, tail string) string

func Wrap

func Wrap(s string, w int) string

Types

type Condition

type Condition struct {
	EastAsianWidth bool
}

func NewCondition

func NewCondition() *Condition

func (*Condition) FillLeft

func (c *Condition) FillLeft(s string, w int) string

func (*Condition) FillRight

func (c *Condition) FillRight(s string, w int) string

func (*Condition) RuneWidth

func (c *Condition) RuneWidth(r rune) int

RuneWidth returns the number of cells in r. See http://www.unicode.org/reports/tr11/

func (*Condition) StringWidth

func (c *Condition) StringWidth(s string) (width int)

func (*Condition) Truncate

func (c *Condition) Truncate(s string, w int, tail string) string

func (*Condition) Wrap

func (c *Condition) Wrap(s string, w int) string

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