Thanks, Jüergen. Confirmed fixed.
On Sun, Jul 6, 2014 at 7:45 AM, Juergen Sauermann < [email protected]> wrote: > Hi David, > > thanks, fixed in SVN 363. > > Please note that using a value as right function argument of an operator > is IMHO a rather dubious construct. I know that IBM APL2 allows it, but the > ISO standard is rather unclear about it. On one hand ISO defines the ⍤ > operator > using a value *y *as right operator argument. On the other hand they > define > the syntax of operators and other things as as *"search the form-table > for ..."* > without ever telling how the form-table is constructed, eg. for user > defined > functions. > > A syntactically cleaner approach would be to use an axis (χ in lambdas) for > an extra value argument of the operator (not fully tested yet): > > ∇z←l (f foo)[x] r > [1] z←(r f l) (l x r) > [2] ∇ > > > 1 {⍺ ⍵} foo [{3}] 2 > 2 1 1 3 2 > > /// Jürgen > > > > > On 07/06/2014 12:39 AM, David B. Lamkins wrote: > > The last time I worked on my component-file code was circa SVN 220. At > the time, I was using a defined operator that took a constant function > as its right function. Something akin to this, where g would always be a > constant function, e.g. {1}: > > ∇z←l (f foo g) r > z←(r f l) (l g r) > ∇ > > At the time, I could call this operator as: > > 1 {⍺ ⍵} foo {3} 2 > 2 1 1 3 2 > > (The above isn't exactly what I was doing... I was using the constant > value by itself. That used to work. This is just illustrative of what I > think that call ought to do, but doesn't in the current build.) > > Interestingly, I can still use a constant function on the left of the > operator: > > 1 {3} foo {⍺ ⍵} 2 > 2 3 1 1 2 > > When I try to put a constant function to the right of the operator, this > is what happens: > > 1 {⍺ ⍵} foo {3} 2 > VALUE ERROR > 1 λ2 foo λ1 2 > ^ > > Are my expectations out of line, or is this a bug? > > > > > > -- "The secret to creativity is knowing how to hide your sources." Albert Einstein http://soundcloud.com/davidlamkins http://reverbnation.com/lamkins http://reverbnation.com/lcw http://lamkins-guitar.com/ http://lamkins.net/ http://successful-lisp.com/
