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| 1 | +// test generics function that return generics struct |
| 2 | +pub struct Optional<T> { |
| 3 | +mut: |
| 4 | + value T |
| 5 | + some bool |
| 6 | + typ string |
| 7 | +} |
| 8 | + |
| 9 | +pub fn new_some<T, B>(value T, b B) Optional<T> { |
| 10 | + return { |
| 11 | + value: value |
| 12 | + some: true |
| 13 | + typ: typeof(b).name |
| 14 | + } |
| 15 | +} |
| 16 | + |
| 17 | +pub fn some<T>(opt Optional<T>) bool { |
| 18 | + return opt.some |
| 19 | +} |
| 20 | + |
| 21 | +pub fn get_value<T>(opt Optional<T>) T { |
| 22 | + return opt.value |
| 23 | +} |
| 24 | + |
| 25 | +pub fn get_typ<T>(opt Optional<T>) string { |
| 26 | + return opt.typ |
| 27 | +} |
| 28 | + |
| 29 | +pub fn set<T, B>(mut opt Optional<T>, value T, b B) { |
| 30 | + opt.value = value |
| 31 | + opt.some = true |
| 32 | + opt.typ = typeof(b).name |
| 33 | +} |
| 34 | + |
| 35 | +fn test_inconsistent_types_generics_fn_return_generics_struct() { |
| 36 | + mut o := new_some<int, string>(23, 'aaa') |
| 37 | + println(some<int>(o)) |
| 38 | + assert some<int>(o) == true |
| 39 | + |
| 40 | + println(get_value<int>(o)) |
| 41 | + assert get_value<int>(o) == 23 |
| 42 | + |
| 43 | + set<int, string>(mut o, 42, 'aaa') |
| 44 | + println(get_value<int>(o)) |
| 45 | + assert get_value<int>(o) == 42 |
| 46 | + |
| 47 | + println(get_typ<int>(o)) |
| 48 | + assert get_typ<int>(o) == 'string' |
| 49 | +} |
| 50 | + |
| 51 | +// test generics method that return generics struct |
| 52 | +pub struct Foo { |
| 53 | + foo int |
| 54 | +} |
| 55 | + |
| 56 | +pub fn (f Foo) new_some<T, B>(value T, b B) Optional<T> { |
| 57 | + return { |
| 58 | + value: value |
| 59 | + some: true |
| 60 | + typ: typeof(b).name |
| 61 | + } |
| 62 | +} |
| 63 | + |
| 64 | +pub fn (f Foo) some<T>(opt Optional<T>) bool { |
| 65 | + return opt.some |
| 66 | +} |
| 67 | + |
| 68 | +pub fn (f Foo) get_value<T>(opt Optional<T>) T { |
| 69 | + return opt.value |
| 70 | +} |
| 71 | + |
| 72 | +pub fn (f Foo) get_typ<T>(opt Optional<T>) string { |
| 73 | + return opt.typ |
| 74 | +} |
| 75 | + |
| 76 | +pub fn (f Foo) set<T, B>(mut opt Optional<T>, value T, b B) { |
| 77 | + opt.value = value |
| 78 | + opt.some = true |
| 79 | + opt.typ = typeof(b).name |
| 80 | +} |
| 81 | + |
| 82 | +fn test_inconstent_types_generics_method_return_generics_struct() { |
| 83 | + foo := Foo{} |
| 84 | + mut o := foo.new_some<int, string>(23, 'aaa') |
| 85 | + println(foo.some<int>(o)) |
| 86 | + assert foo.some<int>(o) == true |
| 87 | + |
| 88 | + println(foo.get_value<int>(o)) |
| 89 | + assert foo.get_value<int>(o) == 23 |
| 90 | + |
| 91 | + foo.set<int, string>(mut o, 42, 'aaa') |
| 92 | + println(foo.get_value<int>(o)) |
| 93 | + assert foo.get_value<int>(o) == 42 |
| 94 | + |
| 95 | + println(foo.get_typ<int>(o)) |
| 96 | + assert foo.get_typ<int>(o) == 'string' |
| 97 | +} |
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