instance method `try!`

Ruby on Rails 4.2.9

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

try!(*a, &b)

Same as #try, but will raise a NoMethodError exception if the receiver is not nil and does not implement the tried method.

Parameters

a rest
b block

Source

# File activesupport/lib/active_support/core_ext/object/try.rb, line 69
  def try!(*a, &b)
    if a.empty? && block_given?
      if b.arity == 0
        instance_eval(&b)
      else
        yield self
      end
    else
      public_send(*a, &b)
    end
  end

Defined in activesupport/lib/active_support/core_ext/object/try.rb line 69 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Object

Signature

Parameters