I suggest we ...

Add a warning for new keyword used on types which are not IDisposable

This is an alternative to: https://fslang.uservoice.com/forums/245727-f-language/suggestions/15257796-remove-warning-for-new-keyword-on-idisposable

The idea is that the new keyword provides valuable information, but only if you do not use it on all types.

When avoiding its usage, you get a visual clue as to instances of disposable types, as well as warnings if you bind them.

By making it a warning to use new unnecessarily, the compiler would effectively enforce a "best practice" with regards to IDisposable usage. It goes a long way today, but requires discipline to make it useful.

This would be especially helpful to people coming to F# from C#, as many immediately use new everywhere, and don't see this very nice safety benefit provided by the compiler.

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    Reed Copsey, Jr. shared this idea  ·   ·  Admin →

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