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Update qemu.md #145

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Feb 17, 2019
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Update qemu.md #145

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2 changes: 1 addition & 1 deletion src/start/qemu.md
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Expand Up @@ -133,7 +133,7 @@ that'd be `#[entry]`.
[`cortex-m-rt`]: https://crates.io/crates/cortex-m-rt

`fn main() -> !`. Our program will be the *only* process running on the target
hardware so we don't want it to end! We use a divergent function (the `-> !`
hardware so we don't want it to end! We use a [divergent function](https://doc.rust-lang.org/rust-by-example/fn/diverging.html) (the `-> !`
bit in the function signature) to ensure at compile time that'll be the case.

### Cross compiling
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