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With a block given, calls the given block with each successive grapheme cluster from +self+
(see {Unicode Grapheme Cluster Boundaries}[https://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries]);
returns +self+:
a = []
'hello'.each_grapheme_cluster do |grapheme_cluster|
a.push(grapheme_cluster)
end
a # => ["h", "e", "l", "l", "o"]
a = []
'тест'.each_grapheme_cluster do |grapheme_cluster|
a.push(grapheme_cluster)
end
a # => ["т", "е", "с", "т"]
a = []
'こんにちは'.each_grapheme_cluster do |grapheme_cluster|
a.push(grapheme_cluster)
end
a # => ["こ", "ん", "に", "ち", "は"]
With no block given, returns an enumerator.
Related: see {Iterating}[rdoc-ref:String@Iterating].
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