Class: Fabulator::Expr::SubExpr

Inherits:
BinExpr
  • Object
show all
Defined in:
lib/fabulator/expr/bin_expr.rb

Instance Method Summary collapse

Methods inherited from BinExpr

#expr_type, #initialize, #result_type, #run

Constructor Details

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

Instance Method Details

#calculate(a, b) ⇒ Object 



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# File 'lib/fabulator/expr/bin_expr.rb', line 63

def calculate(a,b)
  return nil if a.nil? || b.nil?
  a - b
end

#op ⇒ Object 



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# File 'lib/fabulator/expr/bin_expr.rb', line 59

def op
  :minus
end