- Published on
error handling in python
- Authors

- Name
- Louai Misto
Table of Contents
introduction
error handling sucks in python.
a common paradigm in languages like go is that functions always return two values. one of those values is an error.
for example:
err, name := getUserName(userId)
if err =! nil {
fmt.PrintLn("something is messed up")
}
// do something with `name` here
Other languages like Rust use the Result Monad. I'm not really sure if it's a Monad per se, it sure looks like one though. The result might be either a value or an error.
Python and Javascript don't have such facilities. So, to get around this, we'll do what every great dev does and install a third party library.
In the python world, this function
