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Fixed FunctionEnv migration doc to 3.0 (#3806)

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This commit is contained in:
ptitSeb
2023-04-21 11:38:33 +02:00
committed by GitHub
parent 0b44bf1aa7
commit 3ac431eb3c
1 changed files with 5 additions and 4 deletions
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9
docs/migration_to_3.0.0.md
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@@ -112,10 +112,11 @@ let env = FunctionEnv::new(&mut store, MyEnv {
multiply_by: 10,
});
let instance = Instance::new(&module, &imports);
let mut env_mut = env.as_mut(&mut store);
env_mut.memory = Some(instance.exports.get_memory("memory"));
env_mut.alloc_guest_memory = Some(instance.exports.get_typed_function("__alloc"));
let instance = Instance::new(&mut store, &module, &imports)?;
let mut env_mut = env.into_mut(&mut store); // change to a FunctionEnvMut
let (mut data_mut, mut store_mut) = env_mut.data_and_store_mut(); // grab data and a new store_mut
data_mut.memory = Some(instance.exports.get_memory("memory")?.clone());
data_mut.alloc_guest_memory = Some(instance.exports.get_typed_function(&mut store_mut, "__alloc")?);
```
### New `MemoryView` API (preparation for shared memory)