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2128be8b28
Exercise errors6.rs prompts the user to add a method named `from_parseint`. This commit changes the method name to the corrected snakecase format, `from_parse_int`.
Error handling
Most errors aren’t serious enough to require the program to stop entirely. Sometimes, when a function fails, it’s for a reason that you can easily interpret and respond to. For example, if you try to open a file and that operation fails because the file doesn’t exist, you might want to create the file instead of terminating the process.