diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/blank.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/blank.rb | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb index 039c50a4a2..cb74bad73e 100644 --- a/activesupport/lib/active_support/core_ext/object/blank.rb +++ b/activesupport/lib/active_support/core_ext/object/blank.rb @@ -112,7 +112,10 @@ class String # # @return [true, false] def blank? - BLANK_RE === self + # The regexp that matches blank strings is expensive. For the case of empty + # strings we can speed up this method (~3.5x) with an empty? call. The + # penalty for the rest of strings is marginal. + empty? || BLANK_RE === self end end |