spec for view types (#15424)

* 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
This commit is contained in:
Andreas Rumpf 2020-09-29 23:42:38 +02:00 • committed by GitHub
commit 4058801607
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11 changed files with 446 additions and 66 deletions

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@ -4,6 +4,7 @@ discard """
33
3
2
3
3'''
targets: "c cpp"
"""
@ -22,6 +23,6 @@ proc main(s: seq[int]) =
take(x.toOpenArray(0, 1))
let y = x
take y
take x
main(@[11, 22, 33])