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Add multilock to the book

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Emil Fresk 2020-11-14 16:09:20 +01:00
parent 243668df54
commit d079949139
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8
book/en/src/by-example/resources.md
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@ -64,6 +64,14 @@ $ cargo run --example lock
{{#include ../../../../ci/expected/lock.run}}
```
## Multi-lock
As an extension to `lock`, and to reduce rightward drift, locks can be taken as tuples. The following examples shows this in use:
``` rust
{{#include ../../../../examples/multilock.rs}}
```
## Late resources
Late resources are resources that are not given an initial value at compile time using the `#[init]` attribute but instead are initialized at runtime using the `init::LateResources` values returned by the `init` function.