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author | Jeremy Kemper <jeremy@bitsweat.net> | 2009-03-21 04:33:15 -0700 |
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committer | Jeremy Kemper <jeremy@bitsweat.net> | 2009-03-21 04:39:54 -0700 |
commit | bca510cec23aff4c147f2ab5c30de930f120d84b (patch) | |
tree | b68b8adddf5ede72fb4dd8730af1102ce4f9d099 /activesupport/lib/active_support/core_ext/try.rb | |
parent | baf73e19a6f05fcb46c06d759b08f3cbe22ed1c9 (diff) | |
download | rails-bca510cec23aff4c147f2ab5c30de930f120d84b.tar.gz rails-bca510cec23aff4c147f2ab5c30de930f120d84b.tar.bz2 rails-bca510cec23aff4c147f2ab5c30de930f120d84b.zip |
try is an object extension
Diffstat (limited to 'activesupport/lib/active_support/core_ext/try.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/try.rb | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/activesupport/lib/active_support/core_ext/try.rb b/activesupport/lib/active_support/core_ext/try.rb deleted file mode 100644 index 3de198d198..0000000000 --- a/activesupport/lib/active_support/core_ext/try.rb +++ /dev/null @@ -1,36 +0,0 @@ -class Object - # Invokes the method identified by the symbol +method+, passing it any arguments - # and/or the block specified, just like the regular Ruby <tt>Object#send</tt> does. - # - # *Unlike* that method however, a +NoMethodError+ exception will *not* be raised - # and +nil+ will be returned instead, if the receiving object is a +nil+ object or NilClass. - # - # ==== Examples - # - # Without try - # @person && @person.name - # or - # @person ? @person.name : nil - # - # With try - # @person.try(:name) - # - # +try+ also accepts arguments and/or a block, for the method it is trying - # Person.try(:find, 1) - # @people.try(:collect) {|p| p.name} - #-- - # This method definition below is for rdoc purposes only. The alias_method call - # below overrides it as an optimization since +try+ behaves like +Object#send+, - # unless called on +NilClass+. - def try(method, *args, &block) - send(method, *args, &block) - end - remove_method :try - alias_method :try, :__send__ -end - -class NilClass - def try(*args) - nil - end -end |