4 ms·

"presence" isn't Ruby, but Rails/ActiveSupport and your example acts very differently in the case of empty strings, empty arrays, hashes etc..

• sethrin 3y ago
  yes, and?
  • vidarh 3y ago
    So it's often a) not available, b) semantically not an alternative. In particular it very specifically does not return the default only when the object is nil, and I have plenty of code where people thinking they're the same would cause serious breakage.