fn main() { for _ in [1, 2, 3].iter()map(|x| x) {} //~^ ERROR expected `{`, found `map` //~| HELP you might have meant to write a method call } fn foo1() { for _ in 1.3f64 cos() {} //~^ ERROR expected `{`, found `cos` //~| HELP you might have meant to write a method call } fn foo2() { for _ in 1.3 cos {} //~^ ERROR expected `{`, found `cos` //~| HELP you might have meant to write a field access } fn foo3() { for _ in 1 cos() {} //~^ ERROR expected `{`, found `cos` //~| HELP you might have meant to write a method call } fn foo4() { for _ in 1 cos {} //~^ ERROR expected `{`, found `cos` //~| HELP you might have meant to write a field access } fn foo5() { let x = (vec![1, 2, 3],); for _ in x 0 {} //~^ ERROR expected `{`, found `0` //~| HELP you might have meant to write a field access } fn foo6() { let x = ((vec![1, 2, 3],),); for _ in x 0.0 {} //~^ ERROR expected `{`, found `0.0` //~| HELP you might have meant to write a field access } fn foo7() { let x = Some(vec![1, 2, 3]); for _ in x unwrap() {} //~^ ERROR expected `{`, found `unwrap` //~| HELP you might have meant to write a method call } fn foo8() { let x = S { a: A { b: vec![1, 2, 3] } }; for _ in x a.b {} //~^ ERROR expected `{`, found `a` //~| HELP you might have meant to write a field access } struct S { a: A, } struct A { b: Vec, }