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Add Cargo comment to the try! macro example. #1203

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Merged
marioidival merged 2 commits into from
Jun 14, 2019
Merged

Add Cargo comment to the try! macro example. #1203

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22fa894
Add Cargo comment to the `try!` macro example.
tomasz-rozanski Jun 11, 2019
6216eda
Remove unused import.
tomasz-rozanski Jun 13, 2019
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1 change: 0 additions & 1 deletion src/error/multiple_error_types/reenter_question_mark.md
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Expand Up @@ -25,7 +25,6 @@ Here, we rewrite the previous example using `?`. As a result, the
```rust,editable
use std::error;
use std::fmt;
use std::num::ParseIntError;

// Change the alias to `Box<error::Error>`.
type Result<T> = std::result::Result<T, Box<error::Error>>;
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3 changes: 3 additions & 0 deletions src/error/result/enter_question_mark.md
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Expand Up @@ -44,6 +44,9 @@ at older code. The same `multiply` function from the previous example
would look like this using `try!`:

```rust,editable
// To compile and run this example without errors, while using Cargo, change the value
// of the `edition` field, in the `[package]` section of the `Cargo.toml` file, to "2015".

use std::num::ParseIntError;

fn multiply(first_number_str: &str, second_number_str: &str) -> Result<i32, ParseIntError> {
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