From fae4264a7efe2df4890b5f1095bd7454e3bcb939 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Valim?= Date: Sun, 14 Nov 2010 16:22:21 +0100 Subject: Update the guides. --- railties/guides/source/active_support_core_extensions.textile | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'railties/guides/source/active_support_core_extensions.textile') diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 8c11b2a11a..dc1200812e 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -167,6 +167,12 @@ def log_info(sql, name, ms) end ++try+ can also be called without arguments but a block, which will only be executed if the object is not nil: + + +@person.try { |p| "#{p.first_name} #{p.last_name}" } + + NOTE: Defined in +active_support/core_ext/object/try.rb+. h4. +singleton_class+ -- cgit v1.2.3