On Tue, Apr 2, 2019 at 12:10 PM <felix.winkelm...@bevuta.com> wrote: > > And it has to be error, not just a warning. Otherwise the warning just > > flashes by while you're getting some coffee. > > That's the point - it is an error under your interpretation only. It's > still perfectly legal code, even if it may not make sense. >
It's also an error under R5RS, which defines this kind of begin (the expression type as opposed to the top-level type with mixed definitions and expressions) as (begin <expression-1> <expression-2> ...). See section 4.2.3 of R5RS (same story in R7RS). That doesn't mean an implementation *can't* assign a meaning to (begin), but I wouldn't call it "perfectly legal", except in the sense that (if) or (if #t) are perfectly legal (which are syntax errors in Chicken). -- John Cowan http://vrici.lojban.org/~cowan co...@ccil.org Overhead, without any fuss, the stars were going out. --Arthur C. Clarke, "The Nine Billion Names of God"
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