Function isString

Alias

isString(value?): value is string
Checks if a given value is string.

This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to string.
Parameters
- Optionalvalue: unknown
  The value to check if it is string.
Returns value is string
Returns true if value is a string, else false.
Example
```
const value1 = 'abc';
const value2 = 123;
const value3 = true;

console.log(isString(value1)); // true
console.log(isString(value2)); // false
console.log(isString(value3)); // false
```
- Defined in src/predicates.ts:320