Rust types conditions, wrap std::any::Typed.
assert_eq!(types::ty_cond(&0, &1), true);
assert_ne!(types::ty_cond(&0, &String::default()), true);use types::Conds;
// ints
assert_eq!(0_i8.is_i8(), true);
assert_ne!(0_u8.is_i8(), true);
// uints
assert_eq!(0_u8.is_u8(), true);
assert_ne!(0_i8.is_u8(), true);
// floats
assert_eq!(0_f32.is_f32(), true);
assert_ne!(0_i32.is_f32(), true);