Operators - NEAT Portal Wiki

Operators

The following symbols are characters that specify how to combine, compare, or modify the values of an expression. These will be used in performing math operations, setting variables, and comparing operators or variables in conditional statements (ifgoto, ifgosub).

Arithmetic

Symbol	Name	Description
+	addition	Adds numeric expressions.
--	decrement	Subtracts 1 from the operand.
++	increment	Adds 1 to the operand.
/	division	Divides expression1 by expression2.
++	increment	Adds 1 to an expression. ** Not implemented yet
MOD	modulo	Calculates the remainder of expression1 divided by expression2.
*	multiplication	Multiplies two numerical expressions.
-	subtraction	Used for negating or subtracting.
<<	left shift	Shifts the first operand by the given number of bits to the left.
>>	right shift	Shifts the first operand by the given number of bits to the right.

Comparison

Symbol	Name	Description
&&	and	Checks to see if both/all expressions are true. (alternatively: and)
`\|\|`	or	Checks to see if either/any expressions are true.(alternatively: or)
==	equality	Tests two expressions for equality.
>	greater than	Compares two expressions and determines whether expression1 is greater than expression2; if it is, the result is true.
>=	greater than or equal to	Compares two expressions and determines whether expression1 is greater than or equal to expression2 (true) or expression1 is less than expression2 (false).
!=	inequality	Tests for the exact opposite of the equality (==) operator. (Alternatively: <>)
<	less than	Compares two expressions and determines whether expression1 is less than expression2; if so, the result is true.
<=	less than or equal to	Compares two expressions and determines whether expression1 is less than or equal to expression2; if it is, the result is true.
is	is	Evaluates whether an object is compatible with a specific data type.
in	in	Evaluates whether the given property is part of a specific object.
\|	bitwise OR	Returns a 1 in each bit position for which the corresponding bits of either or both operands are 1's.
^	bitwise XOR	Returns a 1 in each bit position for which the corresponding bits of either but not both operands are 1's.

||& ||bitwise AND ||Returns a 1 in each bit position for which the corresponding bits of both operands are 1's.

Assignment

Symbol	Name	Description
=	assignment	Assigns the value of expression2 (the operand on the right) to the variable, array element, or property in expression1.
+=	Addition assignment	Adds the value of right operand (expression2) to expression1 and assigns the result.
-=	Subtraction assignment	Subtracts the value of right operand (expression2) from expression1 and assigns the result.
*=	Multiplication assignment	Multiplies the value of the two expressions and assigns the result.
/=	Division assignment	Divides the value of the first expression by that of the second and assigns the result.

String

Symbol	Name	Description
+	concatenation	Concatenates (combines) strings.
"	string delimiter	When used before and after characters, indicates that the characters have a literal value and are considered a string, not a variable, numerical value, or other element.

Other

Symbol	Name	Description
@	Silent mode	When used at the start of a line it suppresses all log-based output from that single line.
!	Negation/NOT	Negates the following expression.
?	Conditional/ternary	if the given condition is true, the first value is given, otherwise the second is given.

Examples:

Arithmetic

// Math!
myVar=2
echo 10 * myVar

Result:
17:49:02 20
17:49:03 Script stopped

Comparison

// Testing two numbers using comparison
ifgoto (1 != 2) doesnot
echo "They are equal!"
end

label doesnot
echo "They are not equal!"
end

Result:
17:25:54 They are not equal!
17:25:55 Script stopped

Assignment

//Setting a variable called myVar and giving it a value of 1.
myVar=1
echo "My variable is " + myVar

Result:
17:47:31 My variable is 1
17:47:32 Script stopped

String

//Combine two strings together to form a greeting
myVar="Hello"
myVar2=" there!"
echo myVar + myVar2

Result:
17:56:38 Hello there!
17:56:39 Script stopped

// let us know if the variable is true using a conditional operator.
var = true
echo "var " + (var == true ? "is" : "is not") + " true"

Result:
11:17:03 var is true
11:17:04 Script stopped

CategoryConstants

Operators (last edited 2018-01-02 11:35:32 by LKD70)