iana added inline comments.
================
Comment at: clang/docs/Modules.rst:651
+
+ requires cplusplus {
+ header "vector"
----------------
Bigcheese wrote:
> iana wrote:
> > Is there any kind of `else` syntax here? Or do you just use `!whatever` for
> > the else? Is something like this valid?
> >
> > ```
> > requires cplusplus11 {
> > ...
> > }
> > requires cplusplus && !cplusplus11 {
> > ...
> > }
> > ```
> > Or would you nest the `requires`? If you wanted OR, would you just have to
> > duplicate the requires block body?
> There's currently no `else` syntax, although I don't think it would be hard
> to add. Nesting is allowed. The syntax in your example would be:
>
> ```
> requires cplusplus11 {
> ...
> }
> requires cplusplus, !cplusplus11 {
> ...
> }
> ```
>
> OR currently requires duplication. The idea is that the feature list
> expressions just aren't that complex in practice.
Seems like you don't strictly need `else` then, probably fine without it as
long as there are enough examples in the documentation?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D118311/new/
https://reviews.llvm.org/D118311
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