On 11/15/2012 08:00 AM, John Cowan wrote:
> Per Bothner scripsit:
>
>> * Kawa has a define-variable form which is used to explicitly mark
>> dynamic variables. I.e. these force dynamic run-time lookup, without
>> inlining. This is also a convenient way to turn off compile-time
>> undefined-variable warnings/errors, for compilers that offer that.
>
> It isn't clear to me whether define-variable implies dynamic binding, like
> CL defvar (to which it is compared), or mere mutability in all contexts.
define-variable implies dynamic binding, but not pervasively.
E.g. a regular let with the same name introduces a new non-dynamic
variable in let's scope. To re-bind dynamically you use fluid-let.
--
--Per Bothner
[email protected] http://per.bothner.com/
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