Update() [2/2]

BlockExpression System.Linq.Expressions.BlockExpression.Update ( IEnumerable< ParameterExpression >? variables, IEnumerable< Expression > expressions )

inlineinherited

Definition at line 41 of file BlockExpression.cs.

    {
        if (expressions != null)
        {
            ICollection<ParameterExpression> collection;
            if (variables == null)
            {
                collection = null;
            }
            else
            {
                collection = variables as ICollection<ParameterExpression>;
                if (collection == null)
                {
                    variables = (collection = variables.ToReadOnly());
                }
            }
            if (SameVariables(collection))
            {
                ICollection<Expression> collection2 = expressions as ICollection<Expression>;
                if (collection2 == null)
                {
                    expressions = (collection2 = expressions.ToReadOnly());
                }
                if (SameExpressions(collection2))
                {
                    return this;
                }
            }
        }
        return Expression.Block(Type, variables, expressions);
    }

References System.Linq.Expressions.Expression< TDelegate >.Block(), System.collection, System.Linq.Expressions.BlockExpression.SameExpressions(), and System.Linq.Expressions.BlockExpression.SameVariables().