using System.linq in Unity iPhone

Question

I am trying to use System.linq implementations on Unity iPhone but having the following errors w$$anonymous$$le trying to sort the variables.

 ExecutionEngineException: Attempting to JIT compile method 'System.Linq.OrderedEnumerable`1<System.Collections.Generic.KeyValuePair`2<string, string>>:CreateOrderedEnumerable<string> (System.Func`2<System.Collections.Generic.KeyValuePair`2<string, string>, string>,System.Collections.Generic.IComparer`1<string>,bool)' w$$anonymous$$le running with --aot-only.

I know that Unity iOS disallowed the runtime JIT compilation. Does anyone know how can I precompiled the System.linq library to avoid JIT compile method?

I really appreciate to your answers.

Answer 1

Answer by Visartech · Oct 15, 2014 at 11:07 AM

Really, some LINQ methods are not supported with Mono compiler on iOS and cause JIT-compile errors. In case if you would like to use LINQ methods on iOS in Unity, I would suggest you to look at LINQ to iOS.

It's a custom implementation of LINQ to Objects extension methods that works without JIT-compile errors on iOS.

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Answer 2

Answer by andrey_bryzgalov · Oct 10, 2012 at 03:57 PM

Do not use value-types as keys in dictionary. KeyValuePair is structure, value-type.

More info about mono aot limitations

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using System.linq in Unity iPhone

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