Category talk:Wren-pattern: Difference between revisions

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<lang ecmascript>/* Module "pattern.wren" */

/* Match represents a single ~~succesful~~ match made by methods in the Pattern class.

/* Match represents a single successful match made by methods in the Pattern class.

Match objects are immutable.

*/

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// from the start of the string and its capture list. This is a private constructor

// intended to be called from the Pattern class as there should be no need for the user

// to ~~constuct~~ Match objects directly.

// to construct Match objects directly.

construct new_(text, index, captures) {

if (!(text is String)) Fiber.abort("Match text must be a string.")

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// Properties.

text { _text } // the text of the match

index { _index } // its ~~startiing~~ index (codepoints)

index { _index } // its starting index (codepoints)

length { _text.count } // its length

span { [_index, index + length - 1] } // a list of its starting and ending indices

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// as a codepoint offset from the start of the string. This is a private constructor

// intended to be called from the Pattern class as there should be no need for the user

// to ~~constuct~~ Capture objects directly.

// to construct Capture objects directly.

construct new_(text, index) {

if (!(text is String)) Fiber.abort("Capture text must be a string.")

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// Properties.

text { _text } // the text of the capture

index { _index } // its ~~startiing~~ index (codepoints)

index { _index } // its starting index (codepoints)

length { _text.count } // its length

span { [_index, index + length - 1] } // a list of its starting and ending indices

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// Type aliases for classes in case of any name clashes with other modules.

var ~~Match_Match~~ = Match

var Pattern_Match = Match

var ~~Match_Capture~~ = Capture

var Pattern_Capture = Capture

var ~~Match_Pattern~~ = Pattern

var Pattern_Pattern = Pattern

Pattern.init_()</lang>