[NFC] Improve file-level documentation for Sequence.h
authorJakub Kuderski <kubak@google.com>
Thu, 30 Sep 2021 14:28:10 +0000 (10:28 -0400)
committerJakub Kuderski <kubak@google.com>
Thu, 30 Sep 2021 14:28:38 +0000 (10:28 -0400)
commit7bb47a046fe023c09cca2500e39eba5f440fbb99
tree30292d5c498b1c985e0766b0ffcf5bc1ed4154ee
parenta6fc555202ac1bd77d9c6c9325d797ae7d83b30d
[NFC] Improve file-level documentation for Sequence.h

Add usage samples.

This was extracted from a bigger patch: https://reviews.llvm.org/D107378.

Reviewed By: aaron.ballman, gchatelet

Differential Revision: https://reviews.llvm.org/D110760
llvm/include/llvm/ADT/Sequence.h