Arithmetica.MathExpressionContext.MathExpressionContext C# (CSharp) Method

        public MathExpressionContext()
        {
            _lookup = new Dictionary<string, MathExpression>(StringComparer.OrdinalIgnoreCase);
            _variableFinder = new VariableFinderVisitor();
            _lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
        }