mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
54 lines
757 B
V
54 lines
757 B
V
struct A {
|
|
pub mut:
|
|
v []int
|
|
}
|
|
|
|
struct B {
|
|
pub mut:
|
|
a []A
|
|
}
|
|
|
|
fn foo(b int, a mut []int) {
|
|
a[0] = 7
|
|
//a << 4
|
|
}
|
|
|
|
fn test_mut() {
|
|
mut numbers := [1,2,3]
|
|
foo(7, mut numbers)
|
|
assert numbers.len == 3
|
|
// TODO bring back once << works with mutable args
|
|
//assert numbers.len == 4
|
|
//assert numbers[0] == 7
|
|
//assert numbers[3] == 4
|
|
println(numbers)
|
|
n := 1
|
|
mut b := &n
|
|
*b = 10
|
|
//mut b := mut a
|
|
//b = 10
|
|
}
|
|
|
|
fn test_mut_2() {
|
|
zero := 0
|
|
|
|
mut b := B{}
|
|
b.a << A{}
|
|
|
|
b.a[0].v = [9, 8, 7]
|
|
|
|
b.a[0].v << 6
|
|
b.a[zero].v << 5
|
|
|
|
b.a[0].v[zero] = 3
|
|
b.a[0].v[b.a[zero].v[zero]]++
|
|
b.a[0].v[b.a[0].v[zero]]++
|
|
|
|
assert b.a[0].v.len == 5
|
|
assert b.a[0].v[0] == 3
|
|
assert b.a[0].v[1] == 8
|
|
assert b.a[0].v[2] == 7
|
|
assert b.a[0].v[3] == 8
|
|
assert b.a[0].v[4] == 5
|
|
}
|