In Golang, nil is a predefined identifier that carries different meanings in various contexts, but typically represents "none", "empty" or "zero value". It can be assigned to variables of pointer, slice, map, channel, function, and interface types. Understanding the significance of nil is crucial for writing robust Go programs, as mishandling nil can lead to unexpected issues.nil in PointersIn Go, pointers are a fundamental type that stores the memory address of a variable. When a pointer is declared but not initialized, its value is nil. The following example code illustrates this:package mai...

There is some interview question may ask whether nil == nil be true in GoLang. Wil it be true. false or compilation error? To know the answer, some knowledge about nil in GoLang needs to be explained first.nil definitionAccording to Go's official documentation, the definition of nil is// nil is a predeclared identifier representing the zero value for a// pointer, channel, func, interface, map, or slice type.var nil Type // Type must be a pointer, channel, func, interface, map, or slice typenil is the zero value of types like pointer, channel, func, interface, map or slice. Itself is NOT a GoLa...