Class: Fabulator::Expr::NegExpr

Inherits:

UnaryExpr

Object
UnaryExpr
Fabulator::Expr::NegExpr

show all

Defined in:: lib/fabulator/expr/unary_expr.rb

Instance Method Summary collapse

#calculate(e) ⇒ Object

Methods inherited from UnaryExpr

#initialize, #run

Constructor Details

This class inherits a constructor from Fabulator::Expr::UnaryExpr

Instance Method Details

#calculate(e) ⇒ `Object`



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# File 'lib/fabulator/expr/unary_expr.rb', line 25

def calculate(e)
  e.nil? ? nil : -e
end