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add link with explanation of grapheme

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Signed-off-by: Anton-4 <17049058+Anton-4@users.noreply.github.com>
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Anton-4 2022-10-15 09:17:08 +02:00 • committed by GitHub
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crates/compiler/builtins/roc/Str.roc
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@ -161,7 +161,7 @@ joinWith : List Str, Str -> Str
## Split a [Str] around a separator. Passing `""` for the separator is not
## useful; it returns the original string wrapped in a list. To split a string
## into its individual graphemes, use `Str.graphemes`
## into its individual [graphemes](https://stackoverflow.com/a/27331885/4200103), use `Str.graphemes`
##
## expect Str.split "1,2,3" "," == ["1","2","3"]
## expect Str.split "1,2,3" "" == ["1,2,3"]