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followup #17001: improve coverage for tests/openarray/topenarray.nim (#17006)

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* followup #17001: improve coverage for tests/openarray/topenarray.nim

(cherry picked from commit 21e60b9a97)
This commit is contained in:
Timothee Cour
2021-02-13 00:33:42 -08:00
committed by narimiran
parent 8f9ea358b6
commit a154acda85
1 changed files with 17 additions and 3 deletions
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20
tests/openarray/topenarray.nim
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@@ -2,12 +2,26 @@ discard """
targets: "c cpp js"
"""
proc pro[T](a: var openArray[T]) = discard
proc fn1[T](a: openArray[T]): seq[T] =
for ai in a: result.add ai
proc fn2[T](a: var openArray[T]): seq[T] =
for ai in a: result.add ai
proc fn3[T](a: var openArray[T]) =
for i, ai in mpairs(a): ai = i * 10
proc main =
var a = [1,2,3,4,5]
pro(toOpenArray(a, 1, 3))
pro(a.toOpenArray(1,3))
doAssert fn1(a.toOpenArray(1,3)) == @[2,3,4]
doAssert fn2(toOpenArray(a, 1, 3)) == @[2,3,4]
doAssert fn2(a.toOpenArray(1,3)) == @[2,3,4]
fn3(a.toOpenArray(1,3))
when defined(js): discard # xxx bug #15952: `a` left unchanged
else: doAssert a == [1, 0, 10, 20, 5]
main()
# static: main() # xxx bug #15952: Error: cannot generate code for: mSlice