Best way to check for null parameters (Guard Clauses)

Question

For example, you usually don\'t want parameters in a constructor to be null, so it\'s very normal to see some thing like

if (someArg == null)
{
    throw new Arg         


        

Answer 1

If you want to save typing the argument name twice, like Guard.AgainstNull(arg, nameof(arg));

check out YAGuard, where you can write Guard.AgainstNull(arg);

No need to specify the name of the argument in the guard clause, but in the argument thrown, the name is correctly resolved.

It also supports guard-and-set in the form MyProperty = Assign.IfNotNull(arg);

Nuget: YAGuard

Disclaimer: I'm the author of YAGuard.