Operator Type

Operator

Description

Example

Arithmetic

+

Addition

(+ a b c)

-

Subtraction

(- a b)

*

Multiplication

(* a b c)

/

Division

(/ a b)

%

Modulus

(% a b)

Relational

> 

Greater than

(> a b)

< 

Less than

(< a b)

>=

Greater than or equal

(>= a b)

<=

Less than or equal

(<= a b)

<> 

Not equal

(<> a b)

==

Equal

(== a b)

Logical

not

Not

(not a)

and

AND

(and a b c)

or

OR

(or a b c)

xor

Exclusive or

(xor a b)

Shift

<< 

Left-shift

(<< a b)

>> 

Right-shift

(>> a b)

>>> 

Zero-filled right-shift

(>>> a b)

Set

+

Set union

(+ a b c)

-

Set difference

(- a b)

*

Set intersection

(* a b c)

==

Set equality

(== a b)

<> 

Set inequality

(<> a b)

<=

Set inclusion

(<= a b)

in

Set membership

(in a b)

..

Subrange

(.. a b)

Assignment

=

Assignment

= a b

++

Increment and assign

++ a

--

Decrement and assign

-- a

=+

Add and assign

+= a b

=-

Subtract and assign

-= a b

=*

Multiply and assign

*= a b

=/

Divide and assign

/= a b

=%

Take modulus and assign

%= a b

=|

OR and assign

|= a b

=&

AND and assign

&= a b

=^

XOR and assign

^= a b

=<<

Left-shift and assign

<<= a b

=>>

Right-shift and assign

>>= a b

=>>>

Zero-filled right-shift and assign

>>>= a b

List

pchild

Get child pointer

(pchild a)

pnext

Get next pointer

(pnext a)

pchild

Set child pointer

pchild a b

pnext

Set next pointer

pnext a b

atomic

Is an atom?

(atomic a)

:

List member

(: a n)

String

+

Concatenation

(+ a b c)

Object

:

Property/Method

(: a b c)

Cast

Type

Convert to type

(char a)

Instance

instanceof

Is instance of class?

(instanceof a b)

Allocation

new

Create a new object of a class

(new a)

resize

Change array size

resize a m n

Selection

quest

If…then selection

(quest a b c)