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Add documentation of the option into the unstable book

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Jakub Beránek 2025-02-20 21:34:11 +01:00
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src/doc/unstable-book/src/compiler-flags/embed-metadata.md Normal file
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## `embed-metadata`
This option instructs `rustc` to include the full metadata in `rlib` and `dylib` crate types. The default value is `yes` (enabled). If disabled (`no`), only stub metadata will be stored in these files, to reduce their size on disk. When using `-Zembed-metadata=no`, you will probably want to use `--emit=metadata` to produce the full metadata into a separate `.rmeta` file.