Re: [Sbcl-help] local variable unbound ?

[Christophe R. <cs...@ca...>]

Gerard Robin <g.r...@fr...> writes:

> Why I can't display the symbol-value of the local variable s ? (during
> the call of the function f3)

Because symbol-value is defined (by the ANSI standard) to work for
constants and special bindings, but _explicitly_ not for lexical
("local") bindings, which is what you have in F3.

>From the CLHS page for SYMBOL-VALUE:

  symbol-value can be used to get the value of a constant
  variable. symbol-value cannot access the value of a lexical
  variable.

Best,

Christophe