*student.tests.inject(false) {|acc, test| acc || (!test.taken? )}* can be reduce... | Hacker News

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

pwim on Sept 21, 2012 | parent | context | favorite | on: Everything that's wrong with Java in a single clas...

student.tests.inject(false) {|acc, test| acc || (!test.taken? )}

can be reduced even further using the all? method

!student.tests.all?(&:taken?)

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