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# Objective Fix shields ## Solution - Correct shield in the Bevy ECS Readme, where only the MIT license is displayed  - Add shields to other Readmes. - homogenize shields and titles.
13 lines
1 KiB
Markdown
13 lines
1 KiB
Markdown
# Bevy Ptr
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[](https://github.com/bevyengine/bevy#license)
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[](https://crates.io/crates/bevy_ptr)
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[](https://crates.io/crates/bevy_ptr)
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[](https://docs.rs/bevy_ptr/latest/bevy_ptr/)
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[](https://discord.gg/bevy)
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The `bevy_ptr` crate provides low-level abstractions for working with pointers in a more safe way than using rust's raw pointers.
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Rust has lifetimed and typed references (`&'a T`), unlifetimed and typed references (`*const T`), but no lifetimed but untyped references.
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`bevy_ptr` adds them, called `Ptr<'a>`, `PtrMut<'a>` and `OwningPtr<'a>`.
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These types are lifetime-checked so can never lead to problems like use-after-frees and must always point to valid data.
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