How does type inference work in programming languages?

How does type inference work in programming languages?

Type inference is a feature in some programming languages where the compiler can automatically deduce the type of a variable based on its value or context, reducing the need for explicit type annotations.

Can you give me an example of type inference in Python?

Sure! In Python, if you write x = 10, the interpreter infers that x is of type int. You don't need to declare it explicitly.

What are the benefits of using type inference?

The benefits include reduced boilerplate code, improved readability, and the ability to catch type-related errors at compile time.

How does type inference relate to debugging?

Type inference can help in debugging by catching type errors early in the development process, making it easier to identify issues before runtime.

Are there any languages that don't support type inference?

Yes, some languages like Java require explicit type declarations, although newer versions have introduced some type inference features.