mirror of
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80 lines
1.0 KiB
Nim
80 lines
1.0 KiB
Nim
discard """
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output: '''11
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22
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33
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3
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2
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3
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3
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15
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(oa: [1, 3, 4])'''
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targets: "c cpp"
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"""
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{.experimental: "views".}
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proc take(a: openArray[int]) =
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echo a.len
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proc main(s: seq[int]) =
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var x: openArray[int] = s
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for i in 0 .. high(x):
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echo x[i]
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take(x)
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take(x.toOpenArray(0, 1))
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let y = x
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take y
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take x
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main(@[11, 22, 33])
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var x: int
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proc foo(x: var int): var int =
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once: x = 42
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return x
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var y: var int = foo(x)
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y = 15
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echo foo(x)
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# bug #16132
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# bug #18690
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type
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F = object
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oa: openArray[int]
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let s1 = @[1,3,4,5,6]
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var test = F(oa: toOpenArray(s1, 0, 2))
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echo test
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type
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Foo = object
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x: string
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y: seq[int]
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data: array[10000, byte]
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View[T] = object
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x: lent T
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proc mainB =
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let f = Foo(y: @[1, 2, 3])
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let foo = View[Foo](x: f)
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assert foo.x.x == ""
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assert foo.x.y == @[1, 2, 3]
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mainB()
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# bug #15897
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type Outer = ref object
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value: int
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type Inner = object
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owner: var Outer
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var o = Outer(value: 1234)
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var v = Inner(owner: o).owner.value
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doAssert v == 1234
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