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use module_of_many_things::*; mod module_of_many_things { pub fn f1() { println!("f1"); } pub fn f2() { println!("f2"); } fn f3() { println!("f3"); } pub fn f4() { println!("f4"); } } fn main() { f1(); f2(); f999(); //~ ERROR cannot find function `f999` in this scope f4(); }