Tag: go

Overview Defer as the name suggests is used to defer the cleanup activities in a function. These cleanup activities will be performed at the end of the function. defer can be used…

Overview defer statement is also applicable  for methods in a similar way it is applicable to functions. Let’s see an example Example In the above program, we do defer file.Close() after opening…

Overview In case of named return value in the function, the defer function can read as well as modified those named return values. If the defer function modifies the name return value…

Overview There can be two cases of multiple defer functions Multiple Defer function within a particular function Multiple Defer function in different functions Before we see an example for both let’s see…

Overview Let’s understand what happens when panic happens in a program. Imagine a function call from main function to f1 function to f2 function main->f1->f2 Now let’s say that panic happens in…

Overview When the compiler encounters a defer statement in a function it pushes it onto a list. This list internally implements a stack-like data structure.  All the encountered defer statement in the same function…

Overview We can also call a custom function in defer. Let’s see a example for that Example Output In the above program there is a defer statement calling the custom function named…

Overview defer arguments are evaluated at the time defer statement is evaluated Let’s see a program for that Example Output In the above program when the defer statement was evaluated the value…

Overview It is also possible to have an inline function with defer. Example Let’s see an example of that. Output In the above code we have defer with a inline function This…

Overview Defer as the name suggests is used to defer the cleanup activities in a function. These cleanup activities will be performed at the end of the function. This cleanup activities will…