Mohammad,
I know your example is more a general example, but if we look at the
specific example translating a number to a number-word we have the
advantage that the input is an integer.
\define number-words() one two three four five six seven eight nine
<$list filter="[range[1,9]]">
<<currentTiddler>> {{{ [<number-words>split[ ]nth<currentTiddler>]
}}}<br>
</$list>
But this could be extended further
You could also use the number as the index to a json or dictionary tiddler.
Regards'
Tones
On Monday, 25 January 2021 at 05:09:00 UTC+11 Mohammad wrote:
> Mat,
> Thank you! Well yes a dictionary tiddler can be used. I have used such a
> solution in my recent plugin Tamasha.
> I also implement the switch-case using your proposed solution. Really
> powerful.
>
> By the way, there are situations where the operands are not constant. I
> just tried to see how I can implement a multi step IF.
> But I was not sure if my solution follows a good programming style or not!
>
> Best wishes
> Mohammad
>
>
> On Sun, Jan 24, 2021 at 6:10 PM Mat <[email protected]> wrote:
>
>> @Mohammad
>>
>> It is not the IF-THEN structure you're asking for but if the input and
>> output are predefined like that, then it'd be simpler to use a data tiddler
>> to just get the value i.e {{datatiddler##two}} ---> 2
>>
>> <:-)
>>
>> On Sunday, January 24, 2021 at 11:24:58 AM UTC+1 Mohammad wrote:
>>
>>> I tried to implement the below pseudo code in TW 5.1.23
>>>
>>> if x=one then
>>> print(1)
>>> elseif x=two then
>>> print(2)
>>> elseif x=three then
>>> print(3)
>>> else
>>> print(x is not valid)
>>> end
>>>
>>> with
>>>
>>> \define myfun(x)
>>> <$vars u={{{[<__x__>match[one]then[1]] [<__x__>match[two]then[2]]
>>> [<__x__>match[three]then[3]] +[addsuffix[ lili]] ~[<__x__>addsuffix[ is
>>> not valid]]}}} >
>>> This is u: <<u>>
>>> </$vars>
>>> \end
>>>
>>> It works fine on https://tiddlywiki.com/ by calling macro as below
>>>
>>> <<myfun one>>
>>> <<myfun two>>
>>> <<myfun three>>
>>> <<myfun four>>
>>>
>>> I wish to know is this a good practice in TW 5.1.23? If not what better
>>> solution do you propose?
>>>
>>>
>>> Best wishes
>>> Mohammad
>>>
>> --
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