It means that it is an in-out variable . You can do something directly with that variable. It is passed by address, not as a copy.
Read moreWhat is ampersand in Swift?
In Swift, the ampersand (&) indicates that a parameter is being passed inout .
Read moreWhat is ternary operator in Swift?
Swift version: 5.4. The ternary operator allows you to run a check and return one of two values depending on the result of that check – it has the name “ternary” because it works with three values rather than two or one like other operators.
Read moreWhat are the comparison operators in Swift?
Swift – Comparison Operators OperatorDescription!=Checks if the values of two operands are equal or not; if values are not equal, then the condition becomes true.>Checks if the value of left operand is greater than the value of right operand; if yes, then the condition becomes true.Swift – Comparison Operators – Tutorialspoint www.tutorialspoint.com › swift › swift_comparison_operators
Read moreIs Swift an operator?
Type casting in Swift is implemented with the is and as operators. is is used to check the type of a value whereas as is used to cast a value to a different type.
Read moreWhat is the meaning of != operator?
The not-equal -to operator ( != ) returns true if the operands don’t have the same value; otherwise, it returns false .
Read moreWhat does <> mean in comparison operators?
In C#, a comparison operator is a binary operator that takes two operands whose values are being compared. … =), returns false if two operands are equal. Less than relational operator (<), defined for all numeric and enumeration types and returns true if the first operand is less than the second operand.
Read more