method

raise_nil_warning_for

v2.3.8 - Show latest stable - 0 notes - Class: NilClass

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (0)
3.0.9 (-2)
3.1.0 (0)
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
7.1.3.4
What's this?

raise_nil_warning_for(class_name = nil, selector = nil, with_caller = nil) private

Raises a NoMethodError when you attempt to call a method on nil.

# File activesupport/lib/active_support/whiny_nil.rb, line 57
    def raise_nil_warning_for(class_name = nil, selector = nil, with_caller = nil)
      message = "You have a nil object when you didn't expect it!"
      message << "\nYou might have expected an instance of #{class_name}." if class_name
      message << "\nThe error occurred while evaluating nil.#{selector}" if selector

      raise NoMethodError, message, with_caller || caller
    end

raise_nil_warning_for

Related methods