{"ast_node_type":"function","tokens":[{"end":67,"kind":"keyword","start":0,"text":"//"}]}
// - Simple if no attributes are present, e.g. "fn f() { blah(); }"
// Example: if the AST node is "fn f() { blah(); }", then:
// - Simple if only outer attribute are present, e.g. "#[outer1] #[outer2] fn f() { blah(); }"