[sc-users] Re: string formatting notation

[jamshark70@xxxxxx]

> But in the 99% of cases where people are using [interpolation], the
> boundary between code and string literal is very clear, and your original
> complaint was that it's not.

I tend to agree with you here, and I'm not going to press the point further
-- except to note that any properly engineered new feature needs to consider
extreme/boundary cases. I'm not satisfied to present a few simple cases and
say, "This is wonderful." IMO we have to be aware of the point where it
breaks down -- if legibility is the criterion, then, when do the embedded
expressions become unwieldy? I'm guessing that point will be when the
expression reaches about 20-30 characters.


> One clear advantage of string interpolation is that it's harder to screw
> it
> up at runtime. With format, it is easy to write:
> 
> "hello world".format(3)
> "hello %".format("world", "pony")
> "%: Error '%' at line %. Saw % flowers, no bugs.".format(name, err, line,
> flowers, bugs)
> 
> And you won't even get so much as a warning that you provided too many or
> too few arguments.

*This* is a more compelling argument (though a possible counterargument is
to offer a warning).

hjh



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