[PATCH] D24880: Add StringExtras join_items function

[Zachary Turner via llvm-commits]

zturner added a comment.

In https://reviews.llvm.org/D24880#553444, @mehdi_amini wrote:

> What about: ```auto Result = (Twine(foo()) + bar() + baz()).str()```?


Hadn't thought of that, but that also doesn't work of `foo()`, `bar()`, and `baz()` are of type `const char *`.  In that case you need to invoke `operator +=` on the `std::string`


https://reviews.llvm.org/D24880