LINQ query materialization in-language syntax (ToArray/ToList/Single/Sum etc.)

[weitzhandler]

Hi,

I almost never use C# LINQ when I need a one liner, because then I have to wrap the whole query in parentheses or use a variable:

var query = from u in people
                   where u.Age > 30
                   select u.Name;
var result = query.ToArray();

Or

var result = (from u in people
                    where u.Age > 30
                    select u.Name).ToArray();

Both ways are not so aesthetic.

As suggested in this post, please extend the built-in LINQ features in the language itself to include execution/materialization capabilities.

Here are some other related posts that's worth reading:

• roslyn/#3571: [Proposal] extend language integrated query clauses with "apply" clause
• #101: Champion "Query-foreach (do query termination)"
• roslyn/#100: Extend LINQ syntax (mentioned above)
• roslyn/#3486: [Little Feature Request] LINQ query materialization

Personally I like the first couple most as it's simple, requires no big introduction of new keywords and is flexible. But the first one is also a great point.

[alrz]

Related to this dotnet/roslyn#100 (comment) and somehow #101.

[weitzhandler]

@alrz
The 100th issue was mentioned in my question, anyway that issue closed in order to be posted here. So that's what I did.
Will refer to 101 as well which is indeed related.

[weitzhandler]

I'm closing this issue as it was already offered here

[orthoxerox]

No, please reopen it. #101 is about a different proposal, let's use this one to discuss passing the result to a collector.

[weitzhandler]

@orthoxerox
See the 3rd comment on that post, as @alrz mentioned here.

[aluanhaddad]

I would definitely appreciate such a feature.