Jonathan Nieder <jrnieder@xxxxxxxxx> writes:
> Jakub Narebski wrote:
>
>> You would need HEAD{^{/foo}^@}x3, or use special rule that HEAD^{/foo}x2
>> means really HEAD^{/foo}^@^{/foo}, with ^@ used to join them.
>
> That said, does ^2x500 really do something meaningful that a person
> would ever need? I like the
>
> ^{:nth(3)/foo}
>
> syntax because perl6 supports m:nth(3)/foo/, suggesting a menu of
> already-defined modifiers to implement when they prove useful,...
Can you explain what the colon in "$commit^{:nth(3)/foo}" is doing?
Are we declaring anything that begins with ':' is a magic inside ^{...}
construct?
I do not think nth($n) without specifying where to start (iow, what the
current ":/foo" implementation does but with "three levels deep") makes
any sense, but because the main point of your argument is that we can have
modifies other than nth($n) that may make sense in such a context, I would
want to make sure anything we come up with is extensible to that syntax.
On the "starting from any ref" front, I think "!" (as in ":/!some magic")
was the introducer we reserved for such a magic some time ago, so perhaps
on the "starting from this commit" side, "^{!magic/foo}" may be more
appropriate?
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