v/vlib/v/fmt/tests/struct_keep.vv

import os

fn foo(a []os.File) {
}

struct User {
	age  int
	name string
}

fn handle_users(users []User) {
	println(users.len)
}

fn (u &User) foo(u2 &User) {
}

type Expr = IfExpr | IntegerLiteral

fn exprs(e []Expr) {
	println(e.len)
}