Class: ActionTree::EvalScope Private

Inherits:
Object
  • Object
show all
Defined in:
lib/action_tree/eval_scope.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

The execution scope for running matches. Built dynamically for each match by mixing in modules and setting variables.

Instance Method Summary collapse

Constructor Details

#initialize(*sources) ⇒ EvalScope

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Build a new EvalScope from the given sources. The sources can be:

  • Hash: instance variable names and values (:name becomes @name)
  • Module: will be extended
  • Array: flattened and used just the same


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# File 'lib/action_tree/eval_scope.rb', line 14

def initialize(*sources)
  Array(sources).flatten.each do |s|
    case s
    when Hash
      s.each {|k,v| instance_variable_set(:"@#{k}", v) }
    when Module then extend s
    else
      raise 'invalid scope source ' + s.inspect
    end
  end
end