mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
34 lines
507 B
V
34 lines
507 B
V
struct Point {
|
|
x int
|
|
y int
|
|
}
|
|
|
|
struct Line {
|
|
p1 Point
|
|
p2 Point
|
|
}
|
|
|
|
// Sum type
|
|
type ObjSumType = Line | Point
|
|
|
|
fn test_print_smartcast_variable() {
|
|
// Type checking and casts
|
|
mut point := ObjSumType(Point{2, 5})
|
|
|
|
if point is Point {
|
|
println('Point')
|
|
}
|
|
|
|
if point !is Point {
|
|
println('Not Point')
|
|
}
|
|
|
|
if mut point is Point {
|
|
println(point)
|
|
assert point.str().contains('x: 2')
|
|
assert point.str().contains('y: 5')
|
|
assert '${point}'.contains('x: 2')
|
|
assert '${point}'.contains('y: 5')
|
|
}
|
|
}
|