v/vlib/v/tests/generics_nested_struct_init_test.v

struct Foo[T] {
	foo T
}

struct Bar[T] {
mut:
	foos []Foo[T]
}

fn (mut b Bar[T]) add(v T) {
	b.foos << Foo[T]{
		foo: v
	}
}

fn test_nested_generics_struct_init() {
	mut bar1 := Bar[string]{}
	bar1.add('bar')
	println(bar1)

	result1 := '${bar1}'
	assert result1.contains('Bar[string]{')
	assert result1.contains('foos: [Foo[string]{')
	assert result1.contains("foo: 'bar'")

	mut bar2 := Bar[int]{}
	bar2.add(22)
	println(bar2)

	result2 := '${bar2}'
	assert result2.contains('Bar[int]{')
	assert result2.contains('foos: [Foo[int]{')
	assert result2.contains('foo: 22')

	mut bar3 := Bar[f64]{}
	bar3.add(2.2)
	println(bar3)

	result3 := '${bar3}'
	assert result3.contains('Bar[f64]{')
	assert result3.contains('foos: [Foo[f64]{')
	assert result3.contains('foo: 2.2')

	mut bar4 := Bar[bool]{}
	bar4.add(true)
	println(bar4)

	result4 := '${bar4}'
	assert result4.contains('Bar[bool]{')
	assert result4.contains('foos: [Foo[bool]{')
	assert result4.contains('foo: true')
}