Ruby Build an Address Book in Ruby Input and Output Saving The Address Book

Melissa Ramirez
Melissa Ramirez
6,503 Points

How are connected the ruby classes IO, YAML and Psych and why we used the method file.write instead of YAML.dump?

How are connected the ruby classes IO, YAML and Psych and why we used the method file.write instead of YAML.dump in the Address book workshop?