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How to pass a closure to be executed before the Ok variant returns value

I have a function that returns a Result type. Inside this function another function is being called which returns Result type. And, if the returned value is an Err variant, call a function/closure before bubbling up that error, else if it’s Ok variant call a function/closure and then simply return the contained value. This is what I’ve written so far

How to pass a closure to be executed before the Ok variant returns value

I have a function that returns a Result type. Inside this function another function is being called which returns Result type. And, if the returned value is an Err variant, call a function/closure before bubbling up that error, else if it’s Ok variant call a function/closure and then simply return the contained value. This is what I’ve written so far

How to pass a closure to be executed before the Ok variant returns value

I have a function that returns a Result type. Inside this function another function is being called which returns Result type. And, if the returned value is an Err variant, call a function/closure before bubbling up that error, else if it’s Ok variant call a function/closure and then simply return the contained value. This is what I’ve written so far