Compilation.swift

precedencegroup ForwardApplicationPrecedence {
    associativity: left
}

/// Applies `f` to `arg`.

infix operator |> : ForwardApplicationPrecedence
func |> <T, U>(arg: T, f: (T) -> U) -> U {
    return f(arg)
}

//Compiles immediately
let value = 25.0
    |> {(value: Double) in value + 1 }
    |> {(value: Double) in value * 20 }
    |> {(value: Double) in value / 10 }
    |> {(value: Double) in value == 52.0 }
    |> (!)

//Takes a billion years to give up
let value = 25.0
    |> { $0 + 1 }
    |> { $0 * 20 }
    |> { $0 / 10 }
    |> { $0 == 52.0 }
    |> (!)