48 lines
1 KiB
Nim
48 lines
1 KiB
Nim
discard """
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cmd: "nim check --hints:off $file"
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"""
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import tables
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{.experimental: "views".}
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const
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Whitespace = {' ', '\t', '\n', '\r'}
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proc split*(s: string, seps: set[char] = Whitespace,
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maxsplit: int = -1): Table[int, openArray[char]] =
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var last = 0
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var splits = maxsplit
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result = initTable[int, openArray[char]]()
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while last <= len(s):
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var first = last
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while last < len(s) and s[last] notin seps:
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inc(last)
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if splits == 0: last = len(s)
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result[first] = toOpenArray(s, first, last-1)
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result[first][0] = 'c' #[tt.Error
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attempt to mutate a borrowed location from an immutable view
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]#
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if splits == 0: break
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dec(splits)
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inc(last)
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proc `$`(x: openArray[char]): string =
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result = newString(x.len)
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for i in 0..<x.len: result[i] = x[i]
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proc otherTest(x: int) =
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var y: var int = x #[tt.Error
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'y' borrows from the immutable location 'x' and attempts to mutate it
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]#
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y = 3
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proc main() =
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let words = split("asdf 231")
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for i, x in words:
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echo i, ": ", x
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main()
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