struct Struct<T> {
value int
x T
}
fn (s Struct<T>) method() T {
return s.x + s.x
interface Interface<T> {
method() T
fn test_infer_generic_interface() {
s := Struct<u32>{7, 5}
println(s)
i := Interface(s)
println(i)
assert i.method() == 10