Gitly


1 struct Element {}
2 
3 type ElementStack = []&Element
4 
5 fn (mut stack ElementStack) pop_front() ?&Element {
6     return if stack.len > 0 {
7         val := stack.first()
8         stack.delete(0)
9         val
10     } else {
11         none
12     }
13 }
14 
15 fn main() {
16     mut stack := ElementStack([]&Element{})
17     stack << &Element{}
18     a := stack.pop_front()
19     println(a)
20 }
21

1	struct Element {}
2
3	type ElementStack = []&Element
4
5	fn (mut stack ElementStack) pop_front() ?&Element {
6	return if stack.len > 0 {
7	val := stack.first()
8	stack.delete(0)
9	val
10	} else {
11	none
12	}
13	}
14
15	fn main() {
16	mut stack := ElementStack([]&Element{})
17	stack << &Element{}
18	a := stack.pop_front()
19	println(a)
20	}
21