Function unary

Alias

unary<F>(func): ((...args: any[]) => ReturnType<F>)
Creates a function that accepts up to one argument, ignoring any additional arguments.
Type Parameters
- F extends ((...args: any[]) => any)
  The type of the function.
Parameters
- func: F
  The function to cap arguments for.
Returns ((...args: any[]) => ReturnType<F>)
Returns the new capped function.
- - (...args): ReturnType<F>
  - Parameters
    - Rest...args: any[]
    Returns ReturnType<F>
Example
```
function fn(a, b, c) {
  console.log(arguments);
}

unary(fn)(1, 2, 3); // [Arguments] { '0': 1 }
```
- Defined in src/function.ts:121