Skip to content

Add anchors links for linked code snippets. #28422

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
bors merged 2 commits into from
Sep 17, 2015
Merged

Add anchors links for linked code snippets. #28422

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
320880e
Fix option link and anchor links.
Sep 15, 2015
b69a511
Added anchors for the code snippets.
Sep 15, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 7 additions & 5 deletions src/doc/trpl/error-handling.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,12 +33,12 @@ systems may want to jump around.
* [Composing `Option` and `Result`](#composing-option-and-result)
* [The limits of combinators](#the-limits-of-combinators)
* [Early returns](#early-returns)
* [The `try!` macro](#the-try-macro)
* [The `try!` macro](#the-try!-macro)
* [Defining your own error type](#defining-your-own-error-type)
* [Standard library traits used for error handling](#standard-library-traits-used-for-error-handling)
* [The `Error` trait](#the-error-trait)
* [The `From` trait](#the-from-trait)
* [The real `try!` macro](#the-real-try-macro)
* [The real `try!` macro](#the-real-try!-macro)
* [Composing custom error types](#composing-custom-error-types)
* [Advice for library writers](#advice-for-library-writers)
* [Case study: A program to read population data](#case-study-a-program-to-read-population-data)
Expand Down Expand Up @@ -87,7 +87,9 @@ thread '<main>' panicked at 'Invalid number: 11', src/bin/panic-simple.rs:5
Here's another example that is slightly less contrived. A program that accepts
an integer as an argument, doubles it and prints it.

<a name="code-unwrap-double"/>
```rust,should_panic

use std::env;

fn main() {
Expand Down Expand Up @@ -120,10 +122,9 @@ It would be better if we just showed the code for unwrapping because it is so
simple, but to do that, we will first need to explore the `Option` and `Result`
types. Both of these types have a method called `unwrap` defined on them.

## The `Option` type
### The `Option` type

The `Option` type is
[defined in the standard library][1]:
The `Option` type is [defined in the standard library][5]:

```rust
enum Option<T> {
Expand All @@ -138,6 +139,7 @@ system is an important concept because it will cause the compiler to force the
programmer to handle that absence. Let's take a look at an example that tries
to find a character in a string:

<a name="code-option-ex-string-find"/>
```rust
// Searches `haystack` for the Unicode character `needle`. If one is found, the
// byte offset of the character is returned. Otherwise, `None` is returned.
Expand Down