[ruby-core:107958] [Ruby master Feature#18563] Add "graphemes" and "each_grapheme" aliases

Issue #18563 has been updated by Dan0042 (Daniel DeLorme).


nobu (Nobuyoshi Nakada) wrote in #note-4:
> How about `letters` and `each_letter`?

I like the general idea, but to me "letters" mean \p{L}
Ideally, what is now a "char" should be called a grapheme (like "a" and "\u0300"), and "grapheme_clusters" should be called chars (like "a" and "a\u0300")

It may sound like a radical idea, but what about having `each_char` output grapheme clusters? The vast majority of the time they are the same thing, and for the few exceptions we probably want `"辿t辿".chars` to return 3 characters even if they are encoded as "\u0065\u0301\u0074\u00e9" (i.e. have the "intuitively correct" result even without unicode normalization)

Or how about `characters` and `each_character`?

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Feature #18563: Add "graphemes" and "each_grapheme" aliases
https://bugs.ruby-lang.org/issues/18563#change-96908

* Author: shan (Shannon Skipper)
* Status: Closed
* Priority: Normal
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https://bugs.ruby-lang.org/issues/13780#note-10

> grapheme sounds like an element in the grapheme cluster. How about each_grapheme_cluster?
> If everyone gets used to the grapheme as an alias of grapheme cluster, we'd love to add an alias each_grapheme.

> Matz.

Languages that have added grapheme cluster support seem to be almost exclusively opting for the shorter "graphemes" alias as a part that stands for the whole.
* JavaScript/TypeScript grapheme-splitter library: `splitGraphemes`
* PHP: `grapheme_extract`
* Zig ziglyph library: `GraphemeIterator`
* Golang uniseg library: `NewGraphemes`
* Matlab: `splitGraphemes`
* Python grapheme library: `graphemes`
* Elixir: `graphemes`
* Crystal uni_text_seg library: `graphemes`
* Nim nim-graphemes library: `graphemes`
* Rust unicode-segmentation library: `graphemes`

Now that some time has passed and the "graphemes" alias for "grapheme clusters" has been fairly widely adopted by languages and libraries, I'd like to go ahead and propose a `graphemes` alias for `grapheme_clusters` and an `each_grapheme` alias for `each_grapheme_cluster`.



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