Hello On 8 March 2013 16:39, Patrick Pan <pyxchina92...@gmail.com> wrote: > 6.9.8 Procedures with Setters > > A procedure with setter is a special kind of procedure which normally > behaves like any > accessor procedure, that is a procedure which accesses a data > structure. The difference is > that this kind of procedure has a so-called setter attached, which is > a procedure for storing > something into a data structure. > Procedures with setters are treated specially when the procedure > appears in the special > form set! (REFFIXME). How it works is best shown by example. > Suppose we have a procedure called foo-ref, which accepts two > arguments, a value of > type foo and an integer. The procedure returns the value stored at the > given index in the > foo object. Let f be a variable containing such a foo data structure. > >
> Mind the 'REFFIXME'. Is that the issue you are reporting? Marks such as this (e.g. ‘FIXME’, ‘TODO’) appear in many places as a reminder to fix or work on something in the future. I suppose in this case it is to cross-reference with the definition of ‘set!’, which appears absent except for a brief note under _rnrs base_, and informal definition in _Hello Scheme!_ Generally, I don't think we also need bug reports to track this.
