* Warning messages and lonely variables
@ 2000-06-14 13:22 Nicolas barnier
2000-06-16 13:55 ` Julian Assange
0 siblings, 1 reply; 2+ messages in thread
From: Nicolas barnier @ 2000-06-14 13:22 UTC (permalink / raw)
To: ocaml
Wouldn't it be judicious to warn the user whenever a variable appears in
the left hand-side of a (let/pattern-) binding and not used anymore in
the following code, like they do in Prolog (e.g. within the Eclipse
compiler) ? This is one of the source of many (of my) stupid bugs
(especially when modifying pieces of code) and surely a desirable
feature of a correct program. It seems also not
so intricate to check (from my naive user standpoint at least).
Cheers
-- Nicolas
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Warning messages and lonely variables
2000-06-14 13:22 Warning messages and lonely variables Nicolas barnier
@ 2000-06-16 13:55 ` Julian Assange
0 siblings, 0 replies; 2+ messages in thread
From: Julian Assange @ 2000-06-16 13:55 UTC (permalink / raw)
To: Nicolas barnier; +Cc: ocaml, proff
Nicolas barnier <barnier@recherche.enac.fr> writes:
> Wouldn't it be judicious to warn the user whenever a variable appears in
> the left hand-side of a (let/pattern-) binding and not used anymore in
> the following code, like they do in Prolog (e.g. within the Eclipse
> compiler) ? This is one of the source of many (of my) stupid bugs
> (especially when modifying pieces of code) and surely a desirable
> feature of a correct program. It seems also not
> so intricate to check (from my naive user standpoint at least).
Yes, this has bitten me off several times already.
Similarly, code computed as unreachable in graph/flow analysis should
generate a warning.
Cheers,
Julian.
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