Dylan DPC cf67c9bbf7

Rollup merge of #84121 - workingjubilee:stabilize-btree-retain, r=dtolnay ...

Stabilize BTree{Map,Set}::retain

Closes #79025.
FCP concluded here: https://github.com/rust-lang/rust/issues/79025#issuecomment-817201302

This is an approved feature on BTree{Map,Set} to mirror a functionality in Hash{Map,Set}, which has had some adequate testing since its introduction in https://github.com/rust-lang/rust/pull/79026 and doesn't seem to have caused any problems since.

2021-04-13 11:10:42 +02:00

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alloc

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backtrace @ 710fc18ddc

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core

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panic_abort

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panic_unwind

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proc_macro

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profiler_builtins

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rtstartup

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rustc-std-workspace-alloc

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rustc-std-workspace-core

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rustc-std-workspace-std

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std

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stdarch @ 19f5459dd0

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term

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test

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unwind

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