Nim/tests/js/tcopying.nim at devel · googol-lab/Nim · GitHub

8000 Nim/tests/js/tcopying.nim at devel · googol-lab/Nim · GitHub

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discard """

output: '''123

2 9

2 9

1 124

true false

100 300 100

1

'''

"""

type MyArray = array[1, int]

proc changeArray(a: var MyArray) =

a = [123]

var a : MyArray

changeArray(a)

echo a[0]

# bug #4703

# Test 1

block:

let ary1 = [1, 2, 3]

var ary2 = ary1

ary2[1] = 9

echo ary1[1], " ", ary2[1]

# Test 2

block:

type TestObj = ref object of RootObj

ary2: array[3, int]

let ary1 = [1, 2, 3]

var obj = TestObj(ary2:ary1)

obj.ary2[1] = 9

echo ary1[1], " ", obj.ary2[1]

block:

type TestObj = object

x, y: int

let obj = TestObj(x: 1, y: 2)

var s = @[obj]

s[0].x += 123

echo obj.x, " ", s[0].x

block:

var nums = {1, 2, 3, 4}

let obj = (n: nums)

nums.incl 5

echo (5 in nums), " ", (5 in obj.n)

block:

let tup1 = (a: 100)

var tup2 = (t: (t2: tup1))

var tup3 = tup1

tup2.t.t2.a = 300

echo tup1.a, " ", tup2.t.t2.a, " ", tup3.a

block:

proc foo(arr: array[2, int]) =

var s = @arr

s[0] = 500

var nums = [1, 2]

foo(nums)

echo nums[0]

0