## x := (+ 10 20) "aaaa"; ##ERROR: syntax error - too many rvalues --- ## x := (10 +); ##ERROR: syntax error - no operand after binary operator --- ## x := (10 + 20 * 4); ##ERROR: syntax error - prohibited binary operator --- ## you can't have another colon before the method.. (obj: :method) ##ERROR: syntax error - : disallowed --- ## while EOL is ignored in explicitly parenthesized XLIST, a semicolon must not be. (printf "hello, world\n" ) (printf; ##ERROR: syntax error - unexpected semicolon "hello, world\n" ) --- ## semicolon inside #{} must raise a syntax error a := #{ "k1": "hello k1\n", "k2": "hello k2\n"; ##ERROR: syntax error - unexpected semicolon }; --- { ;;; (do (printf "hello\n") (printf "hello\n") );; k := [10 ; 20 ]; ##ERROR: syntax error - unexpected semicolon } --- ## a code point greater than 255 is illegal in the character literal prefix fixed with b. printf "[%c] [#x%x] [%d]\n" '★' '★' #x2605; printf "[%c]\n" b'★'; ##ERROR: syntax error - wrong character literal --- ## #b can be followed by [ or binary digits. printf "%O\n" #b[ 10 20 30 ]; printf "%010b\n" #b0101; printf "%O\n" #bxy; ##ERROR: syntax error - neither valid radixed number nor valid directive #bxy --- printf :*; ##ERROR: syntax error - prohibited in this context --- defun :: fun1() { ##ERROR: syntax error - function name not symbol in defun return 10; }; --- defun :* fun1() { ##ERROR: syntax error - function name not symbol in defun return 10; };