Razor throws CompilationFailedException when iterating over named Tuple

[MaxxDelusional]

When trying to iterate over a collection of named Tuples, I receive a runtime error that the tuple does not contain the named member.

 public class MyClass
 {
        public static IEnumerable<(string name, int age)> GetPeople()
        {
            return new(string, int)[]  {
                    ("Dave", 32),
                    ("Mary", 29),
                };
        }
}

Razor

<div>
    @foreach (var person in MyClass.GetPeople())
    {
        <p>@person.name</p>
    }
</div>

At runtime, the view will throw the following exception

An unhandled exception has occurred while executing the request
Microsoft.AspNetCore.Mvc.Razor.Compilation.CompilationFailedException: One or more compilation failures occurred:
/Views/Default/Test.cshtml(84,34): error CS1061: 'ValueTuple<string, int>' does not contain a definition for 'name' and no extension method 'name' accepting a first argument of type 'ValueTuple<string, int>' could be found (are you missing a using directive or an assembly reference?)

If I change my class to return unnamed Tuples, and change the Razor code use Item1, and Item2 instead, it works perfectly.

I am able to iterate over the collection in my controller, but it will not work in a Razor view.

[NTaylorMullen]

Mvc/Razor do not currently support C#7

[MaxxDelusional]

Oh okay, it's confusing because Visual Studio has intellisense support for it.

[NTaylorMullen]

Ya, sorry about that @MaxxDelusional. Tooling runs with a different Roslyn than we use at runtime 😄. Follow #1046 for updates on when C#7 will make its way to you.

[Eilon]

Closing as dup of #1046.

[rynowak]

For anyone reaching this through stackoverflow - I want to confirm that the following will result in a parsing error in 2.0.0.

@model (string, int)

This will be addressed in 2.1.

Use of tuples in the body of Razor code is fine, we missed the @model and similar directives for 2.0.0