Instance Method インスタンスメソッド

index(_:offsetByUnicodeScalars:)

Returns the position of the Unicode scalar offset a given distance, measured in Unicode scalars, from a given string index.

Declaration 宣言 

func index(_ i: AttributedString.Index, offsetByUnicodeScalars distance: Int) -> AttributedString.Index

Parameters パラメータ

i

The index of a position in the string.

distance

The number of Unicode scalars to advance by.

Return Value 戻り値

The position of the Unicode scalar offset distance Unicode scalars from position i.

See Also 参照

Accessing Indices インデックスにアクセスする

var startIndex: AttributedString.Index
The position of the first character in a nonempty attributed string. ある空でない属性付き文字列の中の最初の文字の位置。

Required. 必須。

var endIndex: AttributedString.Index
A string’s past-the-end position — the position one greater than the last valid subscript argument. 文字列の「終わりを過ぎた」位置 — 最後の有効な添え字引数より１つ大きい位置。

Required. 必須。

func index(AttributedString.Index, offsetByCharacters: Int) -> AttributedString.Index
Returns the position of the character offset a given distance, measured in characters, from a given string index.
func index(AttributedString.Index, offsetByRuns: Int) -> AttributedString.Index
Returns the position of the run offset a given number of runs from a given string index.
func index(afterCharacter: AttributedString.Index) -> AttributedString.Index
Returns the position of the character immediately after another charcter indicated by an index.
func index(afterRun: AttributedString.Index) -> AttributedString.Index
Returns the position of the run immediately after a run indicated by an index.
func index(afterUnicodeScalar: AttributedString.Index) -> AttributedString.Index
Returns the position of the Unicode scalar immediately after a Unicode scalar indicated by an index.
func index(beforeCharacter: AttributedString.Index) -> AttributedString.Index
Returns the position of the character immediately before another charcter indicated by an index.
func index(beforeRun: AttributedString.Index) -> AttributedString.Index
Returns the position of the run immediately before a run indicated by an index.
func index(beforeUnicodeScalar: AttributedString.Index) -> AttributedString.Index
Returns the position of the Unicode scalar immediately before a Unicode scalar indicated by an index.
struct AttributedString.Index
A type that represents the position of a character or code unit within an attributed string. ある型、それはある文字またはコード単位の位置をある属性付き文字列り内部で表すものです。