LSL 演算子

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Operators are used to cause an operation (or mathematical action) to be performed on two operands. The easy and common example is 1 + 2 where 1 and 2 are operands, and the + is the operator.

This concept can be extended much further with LSL since operands can be variables with the special case of the assignment operators requiring that the left hand side be a variable.

Operator	Description	Usage Example
() [] .	Parenthesis, Brackets, and Dot	do this second (do this first)
(type)	Typecasting	message = "The result is:" + (string) result;
! ~ ++ --	NOT, One's Complement, Increment, Decrement	counter++;
* / %	Multiply/Dot-Product, Divide, Modulus/Cross-Product	rollover = (count + 1)%5;
-	Subtraction	one = 3 - 2;
+	Addition or joining Strings	two = 1+1; text = "Hello" + "World";
+	Concatenation or joining Lists	myList = [1, 2, 3] + [4, 5]; newList = oldList + addList;
<< >>	Left Shift, Right Shift	eight = 4 << 1;
< <= > >=	Less Than, Less Than Or Equal To, Greater Than, Greater Than or Equal To	isFalse = (6 <= 4);
==  !=	Comparison Equal, Comparison Not Equal	isFalse = ("this" == "that");
&	Bitwise AND	zero = 4 & 2; four = 4 & 4;
^	Bitwise XOR	zero = 4 ^ 4; six = 4 ^ 2;
|	Bitwise OR	four = 4 | 4; six = 4 | 2;
||	Comparison OR	isTrue = (FALSE || TRUE);
&&	Comparison AND	isFalse = (FALSE && TRUE);
= += -= *= /= %=	Assignment	four = 4;

Note: The order of precedence of boolean operators is unclear. It is possible that there is a bug in the expression parser, making precedence inconsistent, or it may simply be that || and && have equal precedence; testing is inconclusive. Thus, when in doubt, parenthesize.

+ 演算子

result = left + right

Left Type	Right Type	Result Type	Description
integer	integer	integer	leftとrightを加算する
integer	float	float	leftとrightを加算する
float	integer	float	leftとrightを加算する
string	string	string	Concatenates right onto the end of left.
list	*	list	Concatenates right onto the end of left.
*	list	list	Affixes left onto the start of right.
vector	vector	vector	Adds left and right
rotation	rotation	rotation	Adds left and right Not useful for combining rotations, use * or / instead.