full call signature in ts

1// shorthand call signature
2type Greet = (name: string) => void
3//OR
4//full call signature 
5type Greet = {
6  {name: string) => void }
7  }
8
9let greet: Greet = (name) =>{
10  console.log('My name is ' , name)
11};
12
13greet('joyous jackal')  // My name is joyous jackal