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Update Readme.md

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Chen Yuheng 2015-06-01 23:01:50 +08:00
parent 691f9d942f
commit 76b018f7c9
1 changed files with 13 additions and 2 deletions
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15
parser/Readme.md
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@ -10,6 +10,9 @@ any FFI and crate dependencies, which enjoys the memory safe
property and other benefits from the Rust language. property and other benefits from the Rust language.
The parser is heavily influenced by `libyaml` and `yaml-cpp`. The parser is heavily influenced by `libyaml` and `yaml-cpp`.
This crate works on all Rust supported platforms and
Rust 1.0.0 and nightly!
NOTE: This library is still under heavily development. NOTE: This library is still under heavily development.
## Quick Start ## Quick Start
@ -32,7 +35,7 @@ as Vec/HashMap:
```.rust ```.rust
extern crate yaml_rust; extern crate yaml_rust;
use yaml_rust::yaml; use yaml_rust::{YamlLoader, YamlEmitter};
fn main() { fn main() {
let s = let s =
@ -44,7 +47,7 @@ bar:
- 1 - 1
- 2.0 - 2.0
"; ";
let docs = yaml::YamlLoader::load_from_str(s).unwrap(); let docs = YamlLoader::load_from_str(s).unwrap();
// Multi document support, doc is a yaml::Yaml // Multi document support, doc is a yaml::Yaml
let doc = &docs[0]; let doc = &docs[0];
@ -59,6 +62,14 @@ bar:
// Chained key/array access is checked and won't panic, // Chained key/array access is checked and won't panic,
// return BadValue if they are not exist. // return BadValue if they are not exist.
assert!(doc["INVALID_KEY"][100].is_badvalue()); assert!(doc["INVALID_KEY"][100].is_badvalue());
// Dump the YAML object
let mut out_str = String::new();
{
let mut emitter = YamlEmitter::new(&mut out_str);
emitter.dump(doc).unwrap(); // dump the YAML object to a String
}
println!("{}", out_str);
} }
``` ```