32 lines
819 B
Rust
32 lines
819 B
Rust
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use std::env;
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use std::fs::File;
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use std::io::prelude::*;
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use yaml_rust2::{
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parser::{MarkedEventReceiver, Parser},
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scanner::Marker,
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Event,
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};
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/// A sink which discards any event sent.
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struct NullSink {}
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impl MarkedEventReceiver for NullSink {
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fn on_event(&mut self, _: Event, _: Marker) {}
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}
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fn main() {
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let args: Vec<_> = env::args().collect();
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let mut f = File::open(&args[1]).unwrap();
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let mut s = String::new();
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f.read_to_string(&mut s).unwrap();
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let mut sink = NullSink {};
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let mut parser = Parser::new(s.chars());
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// Load events using our sink as the receiver.
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let begin = std::time::Instant::now();
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parser.load(&mut sink, true).unwrap();
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let end = std::time::Instant::now();
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println!("Loaded {}MiB in {:?}", s.len() / 1024 / 1024, end - begin);
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}
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