tree 4d178dfe858236d7e6fe92ed3d9a2f2dafdf1944
parent da206beb234abebe9103e02bfb30471b643ca750
author Tom Sepez <tsepez@chromium.org> 1736454674 -0800
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1736454674 -0800

Update documentation and tests for fxcrt::Zip()

It turns out that zip(), as currently written, can be used to compare
two const spans, because `T&&` inside a template is interpreted as a
forwarding reference.

Document and test this before using it in code in this manner.

Change-Id: I8ad7b335cb5ca799a8afc269e000e29a6f172cc5
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/127770
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>