In Go, the `defer` statement is a unique construct that allows you to schedule a function call to be executed when the surrounding function or block of code completes. The `defer` statement is often used for resource management, ensuring that resources are properly released and cleaned up regardless of how the function or block of code exits (whether it returns normally, panics, or encounters an error).
The `defer` statement is executed in a last-in, first-out (LIFO) order. This means that the most recently deferred function call will be executed first, followed by the others in reverse order. This behavior ensures that resource cleanup operations are performed in the reverse order of their acquisition, which is often the desired behavior for proper resource management.
The syntax for using `defer` is simple. You place the keyword `defer` before a function call, followe....
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