+
Addition OperatorAdds two numeric values together (expression)
The Addition Operator adds two numeric values together in an expression. Those values are placed either side of the addition operator.
» 3+2
5
out (3+2)
» 5
Unlike in some other programming languages, the +
operator cannot be used to concatenate strings. This is because shells are historically untyped so you cannot always guarantee that numeric-looking value isn’t a string. To solve this problem, by default Murex assumes anything that looks like a number is a number when performing addition. Thus overloading the +
operator to concatenate strings would lead to a large class of bugs.
» str = "3"
» int = 2
» $str + $int
5
For occasions when type safety is more important than the convenience of silent data casting, you can disable the above behaviour via config
:
» config set proc strict-types true
» $str + $int
Error in `expr` (0,1): cannot Add with string types
> Expression: $str + $int
> : ^
> Character : 1
> Symbol : Scalar
> Value : '$str'
*
Multiplication Operator: Multiplies one numeric value with another (expression)+=
Add With Operator: Adds the right hand value to a variable (expression)-
Subtraction Operator: Subtracts one numeric value from another (expression)/
Division Operator: Divides one numeric value from another (expression)cast
: Alters the data-type of the previous function without altering its outputconfig
: Query or define Murex runtime settingsexpr
: Expressions: mathematical, string comparisons, logical operatorsfloat
(floating point number): Floating point number (primitive)int
: Whole number (primitive)num
(number): Floating point number (primitive)This document was generated from gen/expr/addition-op_doc.yaml.
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