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5:06 AM
Of course there's another answer talking about JS, but it doesn't clarify the event handling -> first class functions route.
 
 
12 hours later…
5:15 PM
Hm, Reddit has worked wonderfully for us this time:
2
A: What triggered the popularity of lambda functions in modern programming languages?

Don SymeHaving been involved in the recent history here a bit, I believe that one factor was the addition of generics to Java and .NET. That naturally leads to Func<,> and other strongly typed computational abstractions (Task<>, Async<> etc.) In the .NET world we added these features precisely ...

Don Syme is an Australian computer scientist and a Principal Researcher at Microsoft Research, Cambridge, U.K. He is the designer and architect of the F# programming language, described by a reporter as being regarded as "the most original new face in computer languages since Bjarne Stroustrup developed C++ in the early 1980s.". Earlier, Syme created generics in the .NET Common Language Runtime, including the initial design of generics for the C# programming language, along with others including Andrew Kennedy and later Anders Hejlsberg. Kennedy, Syme and Yu also formalized this widely ...
 

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