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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

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.