Class: NilClass
Instance Method Summary collapse
-
#try(*args) ⇒ Object
Calling
try
onnil
always returnsnil
. - #try!(*args) ⇒ Object
Instance Method Details
#try(*args) ⇒ Object
Calling try
on nil
always returns nil
. It becomes specially helpful when navigating through associations that may return nil
.
nil.try(:name) # => nil
Without try
@person && !@person.children.blank? && @person.children.first.name
With try
@person.try(:children).try(:first).try(:name)
71 72 73 |
# File 'lib/try.rb', line 71 def try(*args) nil end |
#try!(*args) ⇒ Object
75 76 77 |
# File 'lib/try.rb', line 75 def try!(*args) nil end |