mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-28 08:54:53 +00:00
Makes `toOpenArray(x: ptr UncheckedArray)` always return a `var openArray` regardless of if `x` is mutable.
20 lines
437 B
Nim
20 lines
437 B
Nim
discard """
|
|
exitcode: 0
|
|
targets: "c cpp"
|
|
"""
|
|
|
|
proc main =
|
|
block: # issue 19171
|
|
var a = ['A']
|
|
proc mutB(x: var openArray[char]) =
|
|
x[0] = 'B'
|
|
mutB(toOpenArray(cast[ptr UncheckedArray[char]](addr a), 0, 0))
|
|
doAssert a[0] == 'B'
|
|
proc mutC(x: var openArray[char]; c: char) =
|
|
x[0] = c
|
|
let p = cast[ptr UncheckedArray[char]](addr a)
|
|
mutC(toOpenArray(p, 0, 0), 'C')
|
|
doAssert p[0] == 'C'
|
|
|
|
main()
|