v/vlib/v/tests/interface_test.v

91 lines
981 B
V

struct Dog {
breed string
}
struct Cat {
breed string
}
fn (d Cat) name() string {
return 'Cat'
}
fn (d Cat) speak() {
println('meow')
}
fn (d Dog) speak() {
println('woof')
}
fn (d Dog) name() string {
return 'Dog'
}
fn test_todo() {
if true {}
//
else{}
}
fn perform_speak(s Speaker) {
s.speak()
assert true
name := s.name()
assert name == 'Dog' || name == 'Cat'
println(s.name())
}
fn test_perform_speak() {
dog := Dog{}
perform_speak(dog)
cat := Cat{}
perform_speak(cat)
perform_speak(Cat{})
perform_speakers([dog, cat])
/*
f := Foo {
speaker: dog
}
*/
}
fn perform_speakers(speakers []Speaker) {}
interface Register {
register()
}
struct RegTest {
a int
}
fn (f RegTest) register() {}
fn handle_reg(r Register) {}
fn test_register() {
f := RegTest{}
f.register()
handle_reg(f)
}
interface Speaker2 {
name() string
speak()
}
struct Foo {
speaker Speaker
speakers []Speaker
}
interface Speaker {
name() string
speak()
}