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Same function name but with a different signature (list of parameters)
Their will be then the same function name or an operator but that manipulates two different objects (data structure, type).
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Example
Function / Method
declare function getWidget(n: number): Widget;
declare function getWidget(s: string): Widget[];
Operator
built-in operators such as addition (+), can be:
- integer addition
- or floating-point addition.
The two operations work on different types of operands and require different functions.