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zaeleus/noodles
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**noodles-gff** handles the reading and writing of the [GFF3 format][gff3-spec].
GFF (Generic Feature Format) is a text-based format used to represent genomic features.
[gff3-spec]: https://github.com/The-Sequence-Ontology/Specifications/blob/be6e1af7243ba4235c30b69660e2669e444e2f3e/gff3.md
# Examples
## Read all records in a GFF3 file
```no_run
# use std::{fs::File, io::{self, BufReader}};
use noodles_gff as gff;
let mut reader = File::open("annotations.gff3")
.map(BufReader::new)
.map(gff::io::Reader::new)?;
for result in reader.records() {
let record = result?;
println!(
"{}\t{}\t{}",
record.reference_sequence_name(),
record.start(),
record.end(),
);
}
# Ok::<(), io::Error>(())
```