Missing the point. The method already exists and has other callers, who pass separate arguments by name or position. I'm not redesigning its API to take an array of arguments. I want to generically pass in a set of ordered arguments to it.
Dave On Wed, Oct 6, 2010 at 1:57 PM, Michael Grant <[email protected]> wrote: > > I gave you a perfectly viable, easy to implement solution. > > > > > On Wed, Oct 6, 2010 at 1:55 PM, enigment <[email protected]> wrote: > >> >> Imagine an SES URL processor somewhat analogous to what Django >> provides, with a regex match that captures specific segments of the >> incoming URL and passes them to the requested method. Yes I know about >> ColdCourse, and the related ColdBox plugin etc, I was just thinking >> about alternate approaches. >> >> So yes, maybe it's unusual, but not irrational, or due to lack of >> structure in my code. >> >> Please, can we not debate my motivation any more? If there are any >> actual answers to the original question, I'd be interested in hearing >> them, but frankly I doubt it. I've been doing CF for quite a while, >> and didn't know of one, so I thought I'd ask around, but this keeps >> focusing on "larger issues". That's a Good Thing in many cases, but >> actually not here. I'm asking if there's a language feature I'm not >> aware of to accomplish this, nothing more. >> >> Dave >> >> >> On Wed, Oct 6, 2010 at 1:34 PM, Michael Grant <[email protected]> wrote: >> > >> > It's also pretty unusual to not have any idea how many arguments you are >> > passing into a method. There are many more elegant approaches to your >> switch >> > suggestion. The primary one being writing code that has structure and >> passes >> > in the expected amount of arguments each time. Another one would be that >> > since you know how many arguments you are expecting in the method perhaps >> > write a function to loop over and pad your array with null values if they >> > aren't defined. Then your call to the method can always pass in the >> expected >> > amount of arguments. >> > >> > >> > >> > >> > On Wed, Oct 6, 2010 at 1:13 PM, enigment <[email protected]> wrote: >> > >> >> >> >> It's unusual for a method to take an array of its arguments, rather >> >> than individual ones. Situation is something like a dispatcher; the >> >> methods already have defined arguments, say Widgets.search(widgetName, >> >> widgetCategory, widgetID). It'd be pretty weird for it to take an >> >> array containing those three arguments. The layer I'm talking about >> >> wants to call that, but only has an array of argument values, in >> >> order. >> >> >> >> Not to be cranky, but while there's room for debate on why I want to >> >> do this, this isn't that conversation. If there's no more elegant >> >> approach than the switch strategy I mentioned, I'll probably ditch >> >> this entire route. I first wanted to check if anyone could think of a >> >> way to accomplish this in the CFML language, out of curiosity and to >> >> maybe learn something that might be useful some day, as well to get it >> >> done -- there's lots of smart and experienced folks out there. I >> >> didn't mean to discuss whether it's worth doing. >> >> >> >> Thanks, >> >> Dave >> >> >> >> On Wed, Oct 6, 2010 at 12:42 PM, Michael Grant <[email protected]> wrote: >> >> > >> >> > Dave, >> >> > >> >> > Why don't you just pass in the array? >> >> > >> >> > <cfset positionalArgs = ['foo', 'bar', 42] /> >> >> > <cfset myFunction(positionalArgs) /> >> >> > <cffunction name="myFunction"> >> >> > <cfargument name="positionalArgs" type="array"> >> >> > <cfloop from="1" to="#arraylen(positionalArgs)#" index="x"> >> >> > <cfdump var="#x#: #positionalArgs[x]#"><br /> >> >> > </cfloop> >> >> > </cffunction> >> >> > >> >> > >> >> > On Wed, Oct 6, 2010 at 12:38 PM, enigment <[email protected]> wrote: >> >> > >> >> >> >> >> >> @Michael: What I'm looking for is the positional equivalent of >> >> >> argumentCollection. If it wasn't for that, you'd think the same about >> >> >> passing a structure of arguments -- any object you pass will be >> >> >> treated as a single argument. But argumentCollection trumps that. I >> >> >> even tried a structure with keys 1, 2, 3, and passing that as >> >> >> argumentCollection (unnamed arguments appear inside the function as >> 1, >> >> >> 2, and 3 if you dump arguments), no joy. >> >> >> >> >> >> @Jason: Clearly, calling a method three times, each time with one >> >> >> argument, is very different than calling it once with all three. Say >> >> >> they're search fields, lastName, FirstName, ZIP; you want the search >> >> >> to run with all three of them in place, not separately for each one. >> >> >> (Not sure why you went with an iterator rather than just indexing >> over >> >> >> the array, but it doesn't matter, not what I need to do.) >> >> >> >> >> >> Thanks for the ideas though. This just may not be possible. >> >> >> >> >> >> Dav >> >> >> >> >> > >> > >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology-Michael-Dinowitz/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:337916 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
