Files
wren/test/list/remove_at.wren
2013-12-21 19:25:09 -08:00

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637 B
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var a = [1, 2, 3]
a.removeAt(0)
IO.write(a) // expect: [2, 3]
var b = [1, 2, 3]
b.removeAt(1)
IO.write(b) // expect: [1, 3]
var c = [1, 2, 3]
c.removeAt(2)
IO.write(c) // expect: [1, 2]
// Index backwards from end.
var d = [1, 2, 3]
d.removeAt(-3)
IO.write(d) // expect: [2, 3]
var e = [1, 2, 3]
e.removeAt(-2)
IO.write(e) // expect: [1, 3]
var f = [1, 2, 3]
f.removeAt(-1)
IO.write(f) // expect: [1, 2]
// Out of bounds.
// TODO: Signal error in better way.
IO.write([1, 2, 3].removeAt(3)) // expect: null
IO.write([1, 2, 3].removeAt(-4)) // expect: null
// Return the removed value.
IO.write([3, 4, 5].removeAt(1)) // expect: 4