4058801607* spec for view types * spec additions * refactoring; there are two different kinds of views * refactorings and spec additions * enforce that view types are initialized * enforce borrowing from the first formal parameter * enforce lifetimes for borrowing of locals * typo in the manual * clarify in the implementation what a borrow operation really is
41 lines
794 B
Nim
41 lines
794 B
Nim
discard """
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output: '''asdf
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asdf
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231
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231
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'''
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cmd: "nim c $file"
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"""
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{.experimental: "views".}
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const
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Whitespace = {' ', '\t', '\n', '\r'}
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proc split*(s: string, seps: set[char] = Whitespace,
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maxsplit: int = -1): seq[openArray[char]] =
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var last = 0
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var splits = maxsplit
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result = @[]
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while last <= len(s):
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var first = last
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while last < len(s) and s[last] notin seps:
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inc(last)
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if splits == 0: last = len(s)
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result.add toOpenArray(s, first, last-1)
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result.add toOpenArray(s, first, last-1)
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if splits == 0: break
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dec(splits)
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inc(last)
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proc `$`(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 main() =
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let words = split("asdf 231")
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for x in words:
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echo x
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main()
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