contextual typing in typescript
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showing results for - "contextual typing in typescript"
Ben
27 Mar 2017
1Lets say you defined a call signature for any function.
2
3type greet = (name: string) => void
4
5Now, when you declare any function having this type, like this
6
7const sayHello: greet = (name) =>{
8 console.log("hello ", name);
9}
10
11you dont need to explicitly annotate funciton paramters and return type,
12 this is called "CONTEXTUAL TYPING".similar questions
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