Method: AppKernel::Function::Options#ingest

Defined in:

lib/appkernel/function.rb

#ingest(o) ⇒ Object

Raises:

• (IllegalOptionError)

# File 'lib/appkernel/function.rb', line 156

def ingest(o)        
  @options[o.name] = o
  @indexed[o.index] = o if o.index
  @required << o.name if o.required?
  @defaults << o.name if o.default?        
  if o.default? && o.type
    if Enumerable === o.type 
      if not o.type.detect {|t| o.default.kind_of?(t)}
        raise IllegalOptionError, "default value #{o.default.inspect} for option '#{o.name}' is not in #{o.type.inspect}"
      end            
    elsif not o.default.kind_of?(o.type)
      raise IllegalOptionError, "default value #{o.default.inspect} for option '#{o.name}' is not a #{o.type}"
    end
  end
  if o.greedy?
    raise IllegalOptionError, "a function may not have more than one greedy option. has (#{@greedy.name}, #{o.name})" if @greedy
    @greedy = o
  end
  raise IllegalOptionError, "a greedy option may not have an index" if o.greedy? && o.index
end