Method: Endo::Core#param

Defined in:
lib/endo/core.rb

#param(key, val = nil, &block) ⇒ Object

TODO: 制限



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# File 'lib/endo/core.rb', line 42

def param(key, val=nil, &block)
  unless (!val.nil?) ^ (!block.nil?) # Only either one
    raise ArgumentError.new('DupValue')
  end

  @params[key.to_s] = if val
    val
  else
    block.call
  end

end