How to define functions in Go using the func keyword with parameters return types multiple return values named results and variadic arguments

• Basic Function Syntax
• Multiple Return Values
• Named Result Parameters
• Variadic Functions

Learn how Go treats functions as first-class values, how to write anonymous functions and function literals, and how closures capture and retain access to variables from their enclosing scope.

• Functions As Firstclass Values
• Anonymous Functions And Function Literals
• Closures

Learn how Go methods become standalone function values through method values and method expressions, enabling flexible code organisation and composition.

• Method Values
• Method Expressions

Explores recursion, function types that satisfy interfaces, deferred function argument evaluation, and init functions in Go

• Recursion
• Function Types Implementing Interfaces
• Deferred Function Argument Evaluation
• Init Functions