What are some examples of lambda functions in different programming languages?
Lambda functions are anonymous functions defined with the keyword 'lambda'. They can be found in languages like Python, Java, and JavaScript.
Can you show me a Python example?
Sure! In Python, a lambda function can be defined like this: lambda x: x * 2
. This function doubles the input value.
What about in Java?
In Java, you can use a lambda expression like this: (x) -> x * 2
. This is often used with functional interfaces.
And in JavaScript?
In JavaScript, you can define a lambda function using the arrow function syntax: const double = x => x * 2;
.
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