Expand description
filedb is simple file-based data. It becomes a rust version of the golang implementation of the following repository.
https://github.com/matryer/filedb
§Install
Add the following to your
Cargo.toml
[package]
name = "some-project"
version = "1.0.0"
authors = ["my name <hoge@fuga.com>"]
[dependencies]
filedb = "0.1.2"§Usage
main.rs
extern crate filedb;
use filedb::FileDB;
use filedb::callback::*;
fn main() {
let mut db = FileDB::connect("/tmp/db").unwrap();
let mut col = match db.c("documents") {
Ok(c) => c.lock().unwrap(),
Err(err) => {
println!("[filedb] failed instance col struct.");
return;
},
};
let res = col.for_each(|index, data| {
println!("index: {}, text: {}", index, String::from_utf8(data).unwrap());
ForEachResultValue::new(false)
});
match res {
Ok(_) => println!("[filedb] success!"),
Err(err) => println!("[filedb] errror... {:?}", err),
}
}
Modules§
- callback
- カラム操作関数(select_each, for_each, remove_each)の返却値
filedbでは返却値により、ファイルを削除や修正、処理の中断などをおこなうため必要となる。