another example: > a=a => nil but then: > a=b NameError: undefined local variabl... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

yedpodtrzitko on Aug 3, 2015 | parent | context | favorite | on: Hello Ruby – Almost there

another example: > a=a => nil

but then:

> a=b NameError: undefined local variable or method `b' for main:Object

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact