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0b7e0483
编写于
9月 15, 2015
作者:
C
christopherdumas
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差异文件
Fix option link and anchor links.
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8a19b234
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src/doc/trpl/error-handling.md
src/doc/trpl/error-handling.md
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src/doc/trpl/error-handling.md
浏览文件 @
0b7e0483
...
...
@@ -24,7 +24,7 @@ systems may want to jump around.
*
[
The Basics
](
#the-basics
)
*
[
Unwrapping explained
](
#unwrapping-explained
)
*
[
The `Option` type
](
#the-option-type
)
*
[
Composing `Option<T>` values
](
#composing-option
t
-values
)
*
[
Composing `Option<T>` values
](
#composing-option
<t>
-values)
*
[
The `Result` type
](
#the-result-type
)
*
[
Parsing integers
](
#parsing-integers
)
*
[
The `Result` type alias idiom
](
#the-result-type-alias-idiom
)
...
...
@@ -33,19 +33,19 @@ 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
)
*
[
Initial setup
](
#initial-setup
)
*
[
Argument parsing
](
#argument-parsing
)
*
[
Writing the logic
](
#writing-the-logic
)
*
[
Error handling with `Box<Error>`
](
#error-handling-with-box
error
)
*
[
Error handling with `Box<Error>`
](
#error-handling-with-box
<error>
)
*
[
Reading from stdin
](
#reading-from-stdin
)
*
[
Error handling with a custom type
](
#error-handling-with-a-custom-type
)
*
[
Adding functionality
](
#adding-functionality
)
...
...
@@ -120,10 +120,9 @@ 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
>
{
...
...
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