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572 B
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8 lines
572 B
Markdown
3 years ago
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# The borrow checker
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The *borrow checker* of Rust's compiler is comparing the scope of borrowed references to the scope of the owned data to prevent dangling references. It also makes sure that the relationship between *lifetimes* of several reference match.
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In some deterministic patterns, the *borrow checker* automatically infer the lifetimes following [lifetime elision rules](t9i4). But when the *borrow checker* can't automatically infer the lifetimes, we need to help it by annotating our references with [generic lifetime annotations](554k).
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:programming:rust:
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