v/vlib/v/tests/generics_array_map_with_gen...

22 lines
290 B
V

fn test_generics_array_map_with_generic_callback() {
mut a := []Sth{}
a = arr_generic<Sth>(buggy_cb)
println(a)
assert a.len == 0
}
fn arr_generic<T>(cb fn (int) T) []T {
return []int{}.map(cb(it))
}
fn buggy_cb(a int) Sth {
return Sth{
a: a
}
}
struct Sth {
a int
b string
}