Class: NilClass

Inherits:

Object

• Object
• NilClass

Includes:

RubyTry

Defined in:

lib/ruby-try.rb

Instance Method Summary

• #try(*args) ⇒ Object

  Calling try on nil always returns nil.

• #try!(*args) ⇒ Object

Methods included from RubyTry

#try?

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)

# File 'lib/ruby-try.rb', line 88

def try(*args)
  nil
end

#try!(*args) ⇒ Object

# File 'lib/ruby-try.rb', line 92

def try!(*args)
  nil
end