Class: BCDice::Arithmetic::Node::Negative

Inherits:

Object

• Object
• BCDice::Arithmetic::Node::Negative

Defined in:

lib/bcdice/arithmetic/node.rb

Instance Method Summary

• #eval(round_type) ⇒ Object
• #initialize(body) ⇒ Negative constructor

  A new instance of Negative.

• #output ⇒ String

  メッセージへの出力.

• #s_exp ⇒ Object

Constructor Details

#initialize(body) ⇒ Negative

Returns a new instance of Negative.

# File 'lib/bcdice/arithmetic/node.rb', line 163

def initialize(body)
  @body = body
end

Instance Method Details

#eval(round_type) ⇒ Object

# File 'lib/bcdice/arithmetic/node.rb', line 167

def eval(round_type)
  -@body.eval(round_type)
end

#output ⇒ String

Returns メッセージへの出力.

Returns:

• (String) —

  メッセージへの出力

# File 'lib/bcdice/arithmetic/node.rb', line 172

def output
  "-#{@body.output}"
end

#s_exp ⇒ Object

# File 'lib/bcdice/arithmetic/node.rb', line 176

def s_exp
  "(- #{@body.s_exp})"
end