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<!DOCTYPE HTML>
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Overview
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Help
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Serde data model
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Using derive
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Implementing Serialize
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Implementing Deserialize
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Unit testing
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Writing a data format
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Conventions
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Error handling
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Implementing a Deserializer
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Deserializer lifetimes
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Examples
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Structs and enums in JSON
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Enum representations
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Default value for a field
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Struct flattening
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Handwritten generic type bounds
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Deserialize for custom map type
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Array of values without buffering
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Serialize enum as number
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Serialize fields as camelCase
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Skip serializing field
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Derive for remote crate
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Manually deserialize struct
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Discarding data
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Transcode into another format
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Either string or struct
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Convert error types
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Custom date format
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No-std support
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Feature flags
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<h1 id="examples"><a name="examples" class="plugin-anchor" href="#examples"><i class="fa fa-link" aria-hidden="true"></i></a>Examples</h1>
<p><strong><a href="json.html">Structs and enums in JSON</a></strong>: The representation chosen by
<a href="https://github.com/serde-rs/json" target="_blank"><code>serde_json</code></a> for structs and enums. Other
human-readable data formats are encouraged to follow an analogous approach where
possible.</p>
<p><strong><a href="enum-representations.html">Enum representations</a></strong>: Externally tagged,
internally tagged, adjacently tagged, and untagged ways of representing an enum
in self-describing formats.</p>
<p><strong><a href="attr-default.html">Default value for a field</a></strong>: Some examples of the
<code>#[serde(default)]</code> attribute.</p>
<p><strong><a href="attr-bound.html">Handwritten generic type bounds</a></strong>: Some unusual scenarios in
which Serde's derive infers the wrong generic type bounds. The impl bounds can
be replaced with handwritten ones using the <code>#[serde(bound)]</code> attribute.</p>
<p><strong><a href="deserialize-map.html">Deserialize for custom map type</a></strong>: Detailed explanation
of each step involved in deserializing a map.</p>
<p><strong><a href="stream-array.html">Array of values without buffering</a></strong>: Deserialize the
maximum value of an array of integers without holding the whole array in memory
at once. This approach can be adapted to handle a variety of other situations in
which data needs to be processed while being deserialized instead of after.</p>
<p><strong><a href="enum-number.html">Serialize enum as number</a></strong>: A macro to impl <code>Serialize</code> and
<code>Deserialize</code> for a C-like enum in a way that represents it as a <code>u64</code> across
all data formats.</p>
<p><strong><a href="attr-rename.html">Serialize fields as camelCase</a></strong>: One common application of
the <code>#[serde(rename)]</code> attribute.</p>
<p><strong><a href="attr-skip-serializing.html">Skip serializing field</a></strong>: Some examples of the
<code>#[serde(skip_serializing)]</code> and <code>#[serde(skip_serializing_if)]</code> attributes.</p>
<p><strong><a href="remote-derive.html">Derive for remote crate</a></strong>: Deriving <code>Serialize</code> and
<code>Deserialize</code> implementations for a type in somebody else's crate.</p>
<p><strong><a href="deserialize-struct.html">Manually deserialize struct</a></strong>: The long form of the
<code>Deserialize</code> impl generated by derive for a simple struct.</p>
<p><strong><a href="ignored-any.html">Discarding data</a></strong>: Using <code>IgnoredAny</code> to efficiently discard
data from a deserializer.</p>
<p><strong><a href="transcode.html">Transcode one format into another</a></strong>: Use the
<a href="https://github.com/sfackler/serde-transcode" target="_blank">serde-transcode</a> crate to stream
input in one format to output in another format efficiently.</p>
<p><strong><a href="string-or-struct.html">Deserialize either a string or a struct</a></strong>: The
<a href="https://docs.docker.com/compose/compose-file/#/build" target="_blank"><code>docker-compose.yml</code></a>
configuration file has a "build" key which can be either a string or a struct.</p>
<p><strong><a href="convert-error.html">Convert error types</a></strong>: Map a Serde error from some format
into a Serde error for some other format using <code>Error::custom</code>.</p>
<p><strong><a href="custom-date-format.html">Date in a custom format</a></strong>: Handle a
<a href="https://github.com/chronotope/chrono" target="_blank"><code>chrono</code></a> <code>DateTime</code> formatted with a
custom string representation.</p>
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