Replace foreach loop with linq

Question

I tried to replace code

foreach (var discovery in mpwrapper.parser.Discoveries)
{
   solution.AddFile("Discoveries", discovery.DisplayStringName + ".mpx", discovery);
}

with the following linq expression

mpwrapper.parser.Discoveries.Select(
                    s => solution.AddFile("Discoveries", s.DisplayStringName + ".mpx", s));

But got an error

The type arguments for method 'System.Linq.Enumerable.Select(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly.

How to convert this foreach loop to linq query where I execute a method on each object in my IEnumerable collection?

Answer 1

I think what you need is the ForEach method ;)

mpwrapper.parser.Discoveries.ToList().ForEach(s => { solution.AddFile("Discoveries", s.DisplayStringName + ".mpx", s); });

Answer 2

I use a little cheat with the .All method. It simply requires a return boolean value and presents very neatly. I included a sample with embeded linq inside the .All

configurations.All(c =>
{
    var gcx = globalConfigurations.FirstOrDefault(gc =>
        gc.Type == c.Type && configurationGuids.Any(cGuid => gc.Guid == cGuid)
    );
    return true;
});