Contents

# `*const T` and `*mut T`

| `T` parameter | `&T` parameter | `&mut T` parameter | `T` return value | `Option<T>` parameter | `Option<T>` return value | JavaScript representation |
|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| Yes | No | No | Yes | No | No | A JavaScript number value |

## Example Rust Usage

```rust
{{#include ../../../../examples/guide-supported-types-examples/src/pointers.rs}}
```

## Example JavaScript Usage

```js
{{#include ../../../../examples/guide-supported-types-examples/pointers.js}}
```

Version data entries

30 entries across 30 versions & 1 rubygems

Version	Path
wasmtime-23.0.2	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-22.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-21.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-20.0.2	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-20.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-18.0.3	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-17.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-17.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-16.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-15.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-15.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.89/guide/src/reference/types/pointers.md
wasmtime-14.0.4	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-14.0.3	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-14.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-14.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-13.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-12.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-12.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-11.0.0	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md
wasmtime-10.0.1	./ext/cargo-vendor/wasm-bindgen-0.2.87/guide/src/reference/types/pointers.md