[PATCH] D87459: [libcxx][test] ostream{,buf}_iterator::difference_type changes in C++20

Casey Carter via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu Sep 10 08:46:25 PDT 2020


CaseyCarter added a comment.

In D87459#2265864 <https://reviews.llvm.org/D87459#2265864>, @ldionne wrote:

> What paper is this? I searched but failed to find a paper this falls off from.

P0896R4 "The One Ranges Proposal" - Ranges demands that all iterators have useful difference types.


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