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Merge pull request #6145 from roc-lang/improve-str-docs

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Fix Str.walkUtf8 docs
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Richard Feldman 2023-12-01 21:53:12 -05:00 committed by GitHub
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crates/compiler/builtins/roc/Str.roc
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@ -880,8 +880,11 @@ walkUtf8WithIndexHelp = \string, state, step, index, length ->
## state for each byte.
##
## ```
## result = walkUtf8 "hello, world!" "" (\state, byte -> state ++ String.fromCodePoint byte)
## expect result == Ok "hello, world!"
## sumOfUtf8Bytes =
## Str.walkUtf8 "Hello, World!" 0 \total, byte ->
## total + byte
##
## expect sumOfUtf8Bytes == 105
## ```
walkUtf8 : Str, state, (state, U8 -> state) -> state
walkUtf8 = \str, initial, step ->