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Why not? That's primary function of many research entities of various sorts in very different industries.

That's why Microsoft keeps paying the bills. Designers of LINQ in C#, for example, mentioned Haskell more than once as one of their inspirations.

> Microsoft keeps paying the bills

For those who may not know it: SPJ was employed at Microsoft Research for a long time. He recently moved to Epic Games, where he co-developed the Verse language.

> Designers of LINQ in C#

Erik Meijer, he's in the video :)

Exactly what I understood, that Haskell was intentionally a language laboratory.

Rust may not exist without Haskell!

I don't see why not.

For one, Rust's "trait" system, which is a foundational part of the language that enables a lot of Rust's expressivity, is a limited imitation of Haskell's "type classes". Rust would be a very different language without it.