Re: Array assignment / initialization [was Re: synonyms]
On 06/28/2017 03:32 PM, Alex Tweedly via use-livecode wrote:
Yes, it would be nice if we had an easier (terser) way to assign to an
array. Maybe something like Python / Perl use to assign to a dictionary.
...and ruby. Let's not forget ruby. Ruby allows for
DoSomething name: "my chart", width: 100, label: "This is a chart",
annaray: sAMine
put { "name": "my chart", "width": 100, "label": "This is a chart",
"anarray": sAMine } into tA
DoSomething tA
LCB lets you do just that. And I'm promised that *someday* the LCB
syntax will morph into the fabled Open Language project that's used as
the excuse not to fix these anomalies.
--
Mark Wieder
ahsoftw...@gmail.com
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Re: Array assignment / initialization [was Re: synonyms]
On 28/06/2017 23:32, Alex Tweedly via use-livecode wrote:
Yes, it would be nice if we had an easier (terser) way to assign to an
array. Maybe something like Python / Perl use to assign to a dictionary.
put { "name": "my chart", "width": 100, "label": "This is a chart",
"anarray": sAMine } into tA
DoSomething tA
OK, here I go answering my own post (again).
function _
local tA
repeat with i = 1 to paramcount()
put param(i+1) into tA[param(i)]
end repeat
return tA
end _
and then I can do
put _("name","my chart", "width",100, "label","This is a chart",
"anarray",sAMine) into tA
DoSomething tA
or, indeed, even
DoSomething _("name","my chart", "width",100, "label","This is a
chart", "anarray",sAMine)
Still doesn't handle pass-by-reference - but that's a problem even with
variable numbers of params in LC, so I'll accept it for this case.
-- Alex.
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Array assignment / initialization [was Re: synonyms]
On 28/06/2017 16:55, Richard Gaskin via use-livecode wrote:
Fully agreed, as I wrote in my post introducing this arg format to the
discussion a couple days ago:
And as much as I like it in R, I'm not sure I would advocate it
in an xTalk as any sort of necessity. It might be ideal for
certain types of commands (oh how I'd love it with "export"),
but is so unusual compared to most other languages that it may
just increase the learning curve for most folks.
I don't accept that named parameters are "unusual" nowadays.
They're in Python, Csharp, R and (if my quick Google got it right) Swift
- so that 's 5 of the top 20 most "popular" languages now, so I would
expect that a fairly high proportion of potential LC users would be
familiar with them.
More with-the-grain would be this fourth option, passing in an array
as we see with some existing LC commands and functions, but that
requires a LOT more typing:
put "my chart" into tA["name"]
put 100 into tA["width"]
put "This is a chart" into tA["label"]
DoSomething tA
Yes, it would be nice if we had an easier (terser) way to assign to an
array. Maybe something like Python / Perl use to assign to a dictionary.
put { "name": "my chart", "width": 100, "label": "This is a chart",
"anarray": sAMine } into tA
DoSomething tA
-- Alex.
btw - whose bright idea was it to not put a 'sharp' key visible on a
British Mac keyboard :-) ?
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