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authorJacob Pratt <jacob@jhpratt.dev>2024-12-26 21:56:48 -0500
committerGitHub <noreply@github.com>2024-12-26 21:56:48 -0500
commit9551808f424c6c852e3c836699498afe644fe0bf (patch)
tree0e2a2d1d11696443e99fe85af03e50be45ec1e0e /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
parentb618af13cf14171843ec6f62691c5534f44667af (diff)
parent6a43716ada10c18d6991dd9408ce2f31214cb8f3 (diff)
downloadrust-9551808f424c6c852e3c836699498afe644fe0bf.tar.gz
rust-9551808f424c6c852e3c836699498afe644fe0bf.zip
Rollup merge of #134644 - kpreid:duplicates, r=Mark-Simulacrum
Document collection `From` and `FromIterator` impls that drop duplicate keys.

This behavior is worth documenting because there are other plausible alternatives, such as panicking when a duplicate is encountered, and it reminds the programmer to consider whether they should, for example, coalesce duplicate keys first.

Followup to #89869.
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