4.1.2 Rule Types

Here are the higher-level syntax types and an example of each. Precedence considerations are omitted for clarity. See Grammar Rule Definition for full details.

Grammar: nofix bye exit

bye

calls the function exit with no arguments.

Grammar: prefix - negate

- 42

Calls the function negate with the argument 42.

Grammar: infix - difference

x - y

Calls the function difference with arguments x and y.

Grammar: nary + sum

x + y + z

Calls the function sum with arguments x, y, and y.

Grammar: postfix ! factorial

5 !

Calls the function factorial with the argument 5.

Grammar: prestfix set set!

set foo bar

Calls the function set! with the arguments foo and bar.

Grammar: commentfix /* */

/* almost any text here */

Ignores the comment delimited by /* and */.

Grammar: matchfix { list }

{0, 1, 2}

Calls the function list with the arguments 0, 1, and 2.

Grammar: inmatchfix ( funcall )

f(x, y)

Calls the function funcall with the arguments f, x, and y.

Grammar: delim ;

set foo bar;

delimits the extent of the restfix operator set.