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mapString

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2023-12-01

Maps the characters of this sequence onto a new StringLikeSequence.

Signature

StringLikeSequence.mapString = function(mapFn) { /*...*/ }

StringLikeSequence.mapString = function mapString(mapFn) {
  return new MappedStringLikeSequence(this, mapFn);
}

Name	Type(s)	Description
mapFn	Function	The function used to map characters from this sequence onto the new sequence.
returns	StringLikeSequence	The new sequence.

Examples

function upcase(char) { return char.toUpperCase(); }

Lazy("foo").mapString(upcase)               // sequence: "FOO"
Lazy("foo").mapString(upcase).charAt(0)     // => "F"
Lazy("foo").mapString(upcase).charCodeAt(0) // => 70
Lazy("foo").mapString(upcase).substring(1)  // sequence: "OO"

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