Function isSymbol

isSymbol(input): input is symbol
typeof "symbol" alias.

Example
```
isSymbol(Symbol("Vangware")); // true
isSymbol(Symbol.iterator); // true
isSymbol("Vangware"); // false
```
Parameters
- input: unknown
  
  Value to check.
Returns input is symbol
Returns true if value is a symbol, false otherwise.
- Defined in work/predicates/predicates/src/isType.ts:22