Expressions

Operators and expression syntax in Q++.

Arithmetic

Operator	Meaning	Example
+	Addition	a + b
-	Subtraction	a - b
*	Multiplication	a * b
/	Division	a / b
%	Modulo	a % b

Comparison

Operator	Meaning	Example
==	Equal	a == b
!=	Not equal	a != b
<	Less than	a < b
<=	Less or equal	a <= b
>	Greater than	a > b
>=	Greater or equal	a >= b

Logical

Operator	Meaning	Example
&&	And	a && b
\|\|	Or	a \|\| b
!	Not	!flag

Other Operators

Operator	Meaning	Example
as	Cast	x as usize
mark	Address-of	mark x
reach	Dereference	reach p
move	Move	move x

Literals

42           // Integer
3.14         // Float
true         // Boolean
false        // Boolean
"hello"      // String
`Hello, ${name}!`  // Interpolated string

Compound Expressions

Array access: arr[i]

Field access: point.x

Function call: add(1, 2)

Tuple: (1, "a", true)

Range: 0..10 (exclusive), used in foreach

Result constructors: Ok(value), Err(error)