I actually can't think of any functional languages that use < > for type variables (I'm sure there's one or two, but it can't be common)
replyDepends on what you mean by functional language. I was considering main-stream languages that support some form of functional programming. So Rust, F#, C#, Kotlin, Swift, Typescript, etc
replyF# does, I think
replyI'm not sure most languages get a vote here.
replyThey can't even represent Fuse's Functor example, i.e.
f: A -> B, x: F[A]
This is only true for C-style languages? Flix uses square brackets, as does Effekt, and Nim, as well as Python. Probably many more I'm missing. Gleam even uses normal parens.
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