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Logging

Avoid stuttering logging​

Please don't do this

stuttered logging

the output of the pseudocode above is something like this:

// if every function does error checking like this
if err != nil {
    logs...
    return err
}

// OUTPUT:
// <timestamp> function_2 - error processing data
// <timestamp> function_1 - error processing data
// <timestamp> function_0 - error processing data
// <timestamp> original_caller - error processing data

for local development, no problem. But in the server environment / production, it could be that the log output overlaps with the output of the error case other.

It is better if error logging is done as follows:

to the point logging

For logging related to error handling, please refer to the document error handling

Reference​