> >>1) all typed variables could be referenced w or w/o the "typed" scope
> >>2) in a block of strongly-typed code the "typed" scope would implied
> >>(roughly analogous to Java's import statement)
> >>3) Then The CF parser/compiler would have a set of
> readily-identifiable
> >>strongly-typed variables, that it could resolve efficiently.
>
> How about just use declarations like in C:
> int myInteger;
> char myString = "abcdef";
You certainly would have to declare them like this somewhere -- I was
just responding to Jim's statement that according to the CF team,
optional strong-typing would be difficult to implement -- easier to
enforce strong-typing system-wide.
If that were the case, then CF would be more difficult to learn for
inexperienced programmers.
> Then in all the rest of the template,
> - declared variables are strongly typed and cannot be converted to
> another type unless through an appropriate function.
> - undeclared variables will behave exactly as presently.
> Plus an option in Application.cfm that could enforce stroug typing.
> In this mode, any use of an
That is good for Application-wide enforcement, but I would also like to
see it on a more-granular level:
CFC
template
code block
> undeclared variable would be considered as illegal and trigger an
> error.
>
> This is about the way Clipper has implemented local and compiled
> variables as an extra feature in version 5, compared to fully dynamic
> variables before.
>
> This way, one could create 100% strongly typed program, or ignore the
> new feature and work exactly like before.
But, almost any of the above would be an improvement for those who want
to use it.
All of these are suggestions -- MACR or NA would need to decide whether
to extend the language, and how to implement it without sacrificing
backward compatibility. NA may have an advantage here.
Dick
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