v/vlib/v/checker/tests/optional_or_block_none_err.vv

module main

struct Animal {
	mut:
		height byte
}

fn new_animal(height byte) ?Animal {
	if height < 10 {
		return error('Too small to be an animal!')
	}

	return Animal{ height: height }
}

fn main() {
	mut dog := new_animal(9) or {
		none
	}

	println(dog)
}