NameError (original) (raw)

Methods

M

• missing_name,
• missing_name?

Instance Public methods

missing_name()Link

Extract the name of the missing constant from the exception message.

begin
  HelloWorld
rescue NameError => e
  e.missing_name
end
# => "HelloWorld"

Source: show | on GitHub

def missing_name

message = respond_to?(:original_message) ? original_message : self.message return unless message.start_with?("uninitialized constant ")

receiver = begin self.receiver rescue ArgumentError nil end

if receiver == Object name.to_s elsif receiver "#{real_mod_name(receiver)}::#{self.name}" else if match = message.match(/((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/) match[1] end end end

missing_name?(name)Link

Was this exception raised because the given name was missing?

begin
  HelloWorld
rescue NameError => e
  e.missing_name?("HelloWorld")
end
# => true

Source: show | on GitHub

def missing_name?(name) if name.is_a? Symbol self.name == name else missing_name == name.to_s end end