Concatenation Operator (&)
Forces string concatenation of two expressions.
result = expression1 & expression2
Arguments
result
Any variable.
expression1
Any expression.
expression2
Any expression.
Remarks
Whenever an expression is not a string, it is converted to a
String subtype. If both expressions are Null, result is also Null.
However, if only one expression is Null, that expression is
treated as a zero-length string ("") when concatenated with the other
expression. Any expression that is Empty is also treated as a zero-length
string.
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