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https://github.com/nim-lang/Nim.git
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d09c3c0f58
fixes #23321 In the function `mapType`, ptrs (tyPtr, tyVar, tyLent, tyRef) are mapped into ctPtrToArray, the dereference of which is skipped in the `genref`. We need to skip these ptrs in the function `genOpenArraySlice`.
89 lines
2.0 KiB
Nim
89 lines
2.0 KiB
Nim
discard """
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targets: "c cpp js"
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"""
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proc fn1[T](a: openArray[T]): seq[T] =
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for ai in a: result.add ai
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proc fn2[T](a: var openArray[T]): seq[T] =
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for ai in a: result.add ai
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proc fn3[T](a: var openArray[T]) =
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for i, ai in mpairs(a): ai = i * 10
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proc main =
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var a = [1,2,3,4,5]
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doAssert fn1(a.toOpenArray(1,3)) == @[2,3,4]
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doAssert fn2(toOpenArray(a, 1, 3)) == @[2,3,4]
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doAssert fn2(a.toOpenArray(1,3)) == @[2,3,4]
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fn3(a.toOpenArray(1,3))
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when defined(js): discard # xxx bug #15952: `a` left unchanged
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else: doAssert a == [1, 0, 10, 20, 5]
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block: # bug #12521
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block:
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type slice[T] = openArray[T]
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# Proc using that alias
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proc testing(sl: slice[int]): seq[int] =
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for item in sl:
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result.add item
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let mySeq = @[1, 2, 3, 4, 5, 6, 7, 8, 9]
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doAssert testing(mySeq) == mySeq
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doAssert testing(mySeq[2..^2]) == mySeq[2..^2]
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block:
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type slice = openArray[int]
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# Proc using that alias
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proc testing(sl: slice): seq[int] =
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for item in sl:
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result.add item
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let mySeq = @[1, 2, 3, 4, 5, 6, 7, 8, 9]
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doAssert testing(mySeq) == mySeq
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doAssert testing(mySeq[2..^2]) == mySeq[2..^2]
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block: # bug #23321
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block:
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proc foo(x: openArray[int]) =
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doAssert x[0] == 0
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var d = new array[1, int]
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foo d[].toOpenArray(0, 0)
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block:
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proc foo(x: openArray[int]) =
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doAssert x[0] == 0
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proc task(x: var array[1, int]): var array[1, int] =
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result = x
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var d: array[1, int]
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foo task(d).toOpenArray(0, 0)
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block:
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proc foo(x: openArray[int]) =
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doAssert x[0] == 0
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proc task(x: var array[1, int]): lent array[1, int] =
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result = x
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var d: array[1, int]
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foo task(d).toOpenArray(0, 0)
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block:
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proc foo(x: openArray[int]) =
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doAssert x[0] == 0
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proc task(x: var array[1, int]): ptr array[1, int] =
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result = addr x
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var d: array[1, int]
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foo task(d)[].toOpenArray(0, 0)
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main()
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static: main()
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