{"ast_node_type":"function","tokens":[{"end":48,"kind":"keyword","start":0,"text":"r#\"fn"}]}
            r#"fn f(a: &i32) -> f32 { a as f32 }
fn g() { let a = &1; let b: f32 = todo$0!(); }"#,
fn g() { let a = &1; let b: f32 = f(a); }"#,