[ Token { kind: OpenTag( Full, ), span: ( 1, 1, ), }, Token { kind: Function, span: ( 3, 1, ), }, Token { kind: Identifier( "foo", ), span: ( 3, 10, ), }, Token { kind: LeftParen, span: ( 3, 13, ), }, Token { kind: RightParen, span: ( 3, 14, ), }, Token { kind: Colon, span: ( 3, 15, ), }, Token { kind: Identifier( "never", ), span: ( 3, 17, ), }, Token { kind: Pipe, span: ( 3, 22, ), }, Token { kind: Identifier( "string", ), span: ( 3, 23, ), }, Token { kind: LeftBrace, span: ( 3, 30, ), }, Token { kind: Identifier( "exit", ), span: ( 4, 5, ), }, Token { kind: LeftParen, span: ( 4, 9, ), }, Token { kind: LiteralInteger( 1, ), span: ( 4, 10, ), }, Token { kind: RightParen, span: ( 4, 11, ), }, Token { kind: SemiColon, span: ( 4, 12, ), }, Token { kind: RightBrace, span: ( 5, 1, ), }, ]