v/cmd/tools/vvet/tests/module_file_test.vv

module foo

struct Foo {
	foo int
}

pub fn foo() string {
	// Missing doc
	return 'foo'
}

// foo does bar
pub fn bar() string {
	// not using convention style: '// <fn name>'
	return 'bar'
}

// fooo does x
pub fn fooo() string {
	// Documented
	return 'fooo'
}

// booo does x
fn booo() string {
	// Documented, but not pub
	return 'booo'
}

fn boo() string {
	// Missing doc
	return 'boo'
}

pub fn (f Foo) foo() string {
	// Missing doc
	return f.fo()
}

fn (f Foo) fo() string {
	// Missing doc, but not pub
	return 'foo'
}

// wrong doc
pub fn (f Foo) fooo() string {
	// not using convention
	return f.fo()
}