1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
discard """
errormsg: "cannot move 'x', passing 'x' to a sink parameter introduces an implicit copy"
matrix: "--cursorinference:on; --cursorinference:off"
"""
block:
type
X = object
s: string
proc `=copy`(x: var X, y: X) =
x.s = "copied " & y.s
proc `=sink`(x: var X, y: X) =
`=destroy`(x)
wasMoved(x)
x.s = "moved " & y.s
proc consume(x: sink X) =
discard x.s
proc main =
var s = "abcdefg"
var x = X(s: ensureMove s)
consume(ensureMove x)
discard x
main()
|
