[Bug web/13161] New: Documentation update "Specifying Attributes of Variables"

[eddy at klopper dot net]

I found the documentation unclear on how to specify attributes of member 
functions. Propose the following patch, or something similar (the example could 
be extended to include an unused variable), to clarify not only _how_, but that 
it is in fact possible.

--- original/gcc.info	2003-10-16 21:23:50.000000000 +0200
+++ edited/gcc.info	2003-11-22 17:31:14.000000000 +0100
@@ -13423,9 +13423,16 @@
      that type.
 
 `unused'
-     This attribute, attached to a variable, means that the variable is
-     meant to be possibly unused.  GCC will not produce a warning for
-     this variable.
+     This attribute, attached to a variable or parameter, means that it is
+     meant to be possibly unused.  GCC will not produce a warning for this
+     variable or parameter. For example:
+
+     bool A::f(__attribute__((unused)) State& state, char ch)
+     {
+       return ch > 127;
+     }
+
+     informs the compiler not to issue an unused parameter warning for `state'
 
 `vector_size (BYTES)'
      This attribute specifies the vector size for the variable,

-- 
           Summary: Documentation update "Specifying Attributes of
                    Variables"
           Product: gcc
           Version: 3.3.2
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: web
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: eddy at klopper dot net
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: n/a
  GCC host triplet: n/a
GCC target triplet: n/a


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13161