A member map convention that wraps a delegate.
Наследование: ConventionBase, IMemberMapConvention
        public void Test()
        {
            var convention = new DelegateMemberMapConvention("test", m => m.SetElementName("blah"));

            Assert.AreEqual("test", convention.Name);

            var classMap = new BsonClassMap<TestClass>();
            var member = classMap.MapMember(x => x.FirstName);

            convention.Apply(member);

            Assert.AreEqual("blah", member.ElementName);
        }