Re: Avoiding construction of dead dictionaries

On Mon, Aug 09 2021, Simon Peyton Jones wrote:

Could you offer a small repro case, with a pointer to evidence that it matters in practice, and open a ticket?

I'll try my best, but I'm unsure how I would generate evidence. Could you give me a hint? Is there any way to see how far evaluates the dictionary construction to be able to match on that unboxed tuple? -- Regards, Mike