Type alias Comparator<T>

Type of function that takes a value of type T and returns a number, denoting the order of the input value.

Returns

• Zero if the first input value is equal to the second input value
• A negative number if the first input value is less than the second input value
• A positive number if the first input value is greater than the second input value

Example

const compareNumbers: Comparator<number> = (a, b) => a - b; // ascending order
const compareStrings: Comparator<string> = (a, b) => a.localeCompare(b); // lexicographical order
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