{"ast_node_type":"function","tokens":[{"end":92,"kind":"keyword","start":0,"text":"r#\"fn"}]}
            r#"fn f() { let a: i32 = 1; let b: i32 = 2; let a: u32 = 0; let c: i32 = b; }"#,
fn f() { let a: i32 = 1; let b: i32 = 2; let a: u32 = 0; let c: i32 = todo$0!(); }"#,
        )