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ch19-06 added curly braces to macro output #2050

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carols10cents merged 1 commit into from
Jan 27, 2020
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ch19-06 added curly braces to macro output #2050

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12 changes: 7 additions & 5 deletions src/ch19-06-macros.md
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Original file line number Diff line number Diff line change
Expand Up @@ -143,11 +143,13 @@ macro with `vec![1, 2, 3];`, the code generated that replaces this macro call
will be the following:

```rust,ignore
let mut temp_vec = Vec::new();
temp_vec.push(1);
temp_vec.push(2);
temp_vec.push(3);
temp_vec
{
let mut temp_vec = Vec::new();
temp_vec.push(1);
temp_vec.push(2);
temp_vec.push(3);
temp_vec
}
```

We’ve defined a macro that can take any number of arguments of any type and can
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