Loader doc style update.
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@ -4,9 +4,7 @@
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// (See accompanying file LICENSE_1_0.txt or copy at
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// http://www.boost.org/LICENSE_1_0.txt)
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/**
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/// Class used to load YAML documents.
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* Class used to load YAML documents.
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*/
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module dyaml.loader;
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module dyaml.loader;
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@ -25,66 +23,64 @@ import dyaml.scanner;
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import dyaml.token;
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import dyaml.token;
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/**
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/// Loads YAML documents from files or streams.
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* Loads YAML documents from files or streams.
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///
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*
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/// User specified Constructor and/or Resolver can be used to support new
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* User specified Constructor and/or Resolver can be used to support new
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/// tags / data types.
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* tags / data types.
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///
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*
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/// Examples:
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* Examples:
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///
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*
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/// Load single YAML document from a file:
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* Load single YAML document from a file:
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/// --------------------
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* --------------------
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/// auto rootNode = Loader("file.yaml").load();
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* auto rootNode = Loader("file.yaml").load();
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/// ...
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* ...
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/// --------------------
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* --------------------
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///
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*
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/// Load all YAML documents from a file:
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* Load all YAML documents from a file:
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/// --------------------
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* --------------------
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/// auto nodes = Loader("file.yaml").loadAll();
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* auto nodes = Loader("file.yaml").loadAll();
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/// ...
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* ...
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/// --------------------
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* --------------------
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///
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*
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/// Iterate over YAML documents in a file, lazily loading them:
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* Iterate over YAML documents in a file, lazily loading them:
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/// --------------------
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* --------------------
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/// auto loader = Loader("file.yaml");
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* auto loader = Loader("file.yaml");
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///
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*
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/// foreach(ref node; loader)
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* foreach(ref node; loader)
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/// {
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* {
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/// ...
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* ...
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/// }
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* }
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/// --------------------
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* --------------------
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///
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*
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/// Load YAML from memory:
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* Load YAML from memory:
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/// --------------------
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* --------------------
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/// import std.stream;
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* import std.stream;
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/// import std.stdio;
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* import std.stdio;
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///
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*
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/// string yaml_input = "red: '#ff0000'\n"
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* string yaml_input = "red: '#ff0000'\n"
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/// "green: '#00ff00'\n"
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* "green: '#00ff00'\n"
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/// "blue: '#0000ff'";
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* "blue: '#0000ff'";
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///
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*
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/// auto colors = Loader.fromString(yaml_input).load();
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* auto colors = Loader.fromString(yaml_input).load();
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///
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*
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/// foreach(string color, string value; colors)
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* foreach(string color, string value; colors)
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/// {
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* {
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/// writeln(color, " is ", value, " in HTML/CSS");
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* writeln(color, " is ", value, " in HTML/CSS");
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/// }
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* }
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/// --------------------
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* --------------------
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///
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*
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/// Use a custom constructor/resolver to support custom data types and/or implicit tags:
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* Use a custom constructor/resolver to support custom data types and/or implicit tags:
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/// --------------------
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* --------------------
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/// auto constructor = new Constructor();
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* auto constructor = new Constructor();
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/// auto resolver = new Resolver();
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* auto resolver = new Resolver();
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///
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*
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/// //Add constructor functions / resolver expressions here...
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* //Add constructor functions / resolver expressions here...
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///
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*
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/// auto loader = Loader("file.yaml");
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* auto loader = Loader("file.yaml");
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/// loader.constructor = constructor;
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* loader.constructor = constructor;
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/// loader.resolver = resolver;
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* loader.resolver = resolver;
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/// auto rootNode = loader.load(node);
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* auto rootNode = loader.load(node);
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/// --------------------
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* --------------------
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*/
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struct Loader
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struct Loader
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{
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{
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private:
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private:
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@ -108,13 +104,11 @@ struct Loader
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@disable int opCmp(ref Loader);
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@disable int opCmp(ref Loader);
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@disable bool opEquals(ref Loader);
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@disable bool opEquals(ref Loader);
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/**
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/// Construct a Loader to load YAML from a file.
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* Construct a Loader to load YAML from a file.
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///
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*
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/// Params: filename = Name of the file to load from.
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* Params: filename = Name of the file to load from.
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///
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*
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/// Throws: YAMLException if the file could not be opened or read.
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* Throws: YAMLException if the file could not be opened or read.
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*/
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this(string filename) @trusted
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this(string filename) @trusted
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{
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{
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name_ = filename;
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name_ = filename;
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@ -140,13 +134,11 @@ struct Loader
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assert(Loader.fromString("42").load().as!int == 42);
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assert(Loader.fromString("42").load().as!int == 42);
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}
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}
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/**
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/// Construct a Loader to load YAML from a _stream.
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* Construct a Loader to load YAML from a _stream.
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///
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*
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/// Params: stream = Stream to read from. Must be readable and seekable.
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* Params: stream = Stream to read from. Must be readable and seekable.
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///
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*
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/// Throws: YAMLException if stream could not be read.
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* Throws: YAMLException if stream could not be read.
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*/
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this(Stream stream) @safe
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this(Stream stream) @safe
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{
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{
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try
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try
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@ -190,18 +182,16 @@ struct Loader
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constructor_ = constructor;
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constructor_ = constructor;
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}
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}
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/**
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/// Load single YAML document.
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* Load single YAML document.
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///
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*
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/// If none or more than one YAML document is found, this throws a YAMLException.
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* If none or more than one YAML document is found, this throws a YAMLException.
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///
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*
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/// This can only be called once; this is enforced by contract.
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* This can only be called once; this is enforced by contract.
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///
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*
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/// Returns: Root node of the document.
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* Returns: Root node of the document.
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///
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*
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/// Throws: YAMLException if there wasn't exactly one document
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* Throws: YAMLException if there wasn't exactly one document
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/// or on a YAML parsing error.
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* or on a YAML parsing error.
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*/
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Node load() @safe
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Node load() @safe
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in
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in
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{
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{
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@ -223,20 +213,18 @@ struct Loader
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}
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}
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}
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}
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/**
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/// Load all YAML documents.
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* Load all YAML documents.
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///
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*
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/// This is just a shortcut that iterates over all documents and returns
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* This is just a shortcut that iterates over all documents and returns
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/// them all at once. Calling loadAll after iterating over the node or
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* them all at once. Calling loadAll after iterating over the node or
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/// vice versa will not return any documents, as they have all been parsed
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* vice versa will not return any documents, as they have all been parsed
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/// already.
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* already.
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///
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*
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/// This can only be called once; this is enforced by contract.
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* This can only be called once; this is enforced by contract.
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///
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*
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/// Returns: Array of root nodes of all documents in the file/stream.
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* Returns: Array of root nodes of all documents in the file/stream.
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///
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*
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/// Throws: YAMLException on a parsing error.
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* Throws: YAMLException on a parsing error.
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*/
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Node[] loadAll() @safe
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Node[] loadAll() @safe
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{
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{
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Node[] nodes;
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Node[] nodes;
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@ -244,15 +232,13 @@ struct Loader
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return nodes;
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return nodes;
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}
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}
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/**
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/// Foreach over YAML documents.
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* Foreach over YAML documents.
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///
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*
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/// Parses documents lazily, when they are needed.
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* Parses documents lazily, when they are needed.
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///
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*
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/// Foreach over a Loader can only be used once; this is enforced by contract.
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* Foreach over a Loader can only be used once; this is enforced by contract.
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///
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*
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/// Throws: YAMLException on a parsing error.
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* Throws: YAMLException on a parsing error.
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*/
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int opApply(int delegate(ref Node) dg) @trusted
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int opApply(int delegate(ref Node) dg) @trusted
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in
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in
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{
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{
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