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Updated How To Parse A Document (markdown)

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Jesse Beder 2015-03-29 22:54:30 -05:00 committed by Martin Delille
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How-To-Parse-A-Document.md
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_The following describes the old API. For the new API, see the [Tutorial](Tutorial.md)._
_The following describes the old API. For the new API, see the [Tutorial](https://github.com/jbeder/yaml-cpp/wiki/Tutorial)._
## Contents ##
@ -87,7 +87,7 @@ One thing to be keep in mind: reading a map by key (as immediately above) requir
## Optional Keys ##
If you try to access a key that doesn't exist, `yaml-cpp` throws an exception (see [HowToParseADocument#When\_Something\_Goes\_Wrong](HowToParseADocument#When_Something_Goes_Wrong.md) When Something Goes Wrong). If you have optional keys, you it's often easier to use `FindValue` instead of `operator[]`:
If you try to access a key that doesn't exist, `yaml-cpp` throws an exception (see [When Something Goes Wrong](https://github.com/jbeder/yaml-cpp/wiki/HowToParseADocument(OldApi)#When_Something_Goes_Wrong) When Something Goes Wrong). If you have optional keys, you it's often easier to use `FindValue` instead of `operator[]`:
```
YAML::Node doc; // already parsed