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use serde::{Deserialize, Serialize};
use std;
#[derive(Clone, Default, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Serialize, Deserialize)]
pub struct ArgminKV {
#[serde(borrow)]
pub kv: Vec<(&'static str, String)>,
}
impl std::fmt::Display for ArgminKV {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
writeln!(f, "ArgminKV")?;
self.kv
.iter()
.map(|(key, val)| -> std::fmt::Result { writeln!(f, " {}: {}", key, val) })
.count();
Ok(())
}
}
impl ArgminKV {
pub fn new() -> Self {
ArgminKV { kv: vec![] }
}
pub fn push<T: std::fmt::Display>(&mut self, key: &'static str, val: T) -> &mut Self {
self.kv.push((key, format!("{}", val)));
self
}
pub fn merge(mut self, other: &mut ArgminKV) -> Self {
self.kv.append(&mut other.kv);
self
}
}
impl std::iter::FromIterator<(&'static str, String)> for ArgminKV {
fn from_iter<I: IntoIterator<Item = (&'static str, String)>>(iter: I) -> Self {
let mut c = ArgminKV::new();
for i in iter {
c.push(i.0, i.1);
}
c
}
}
impl std::iter::Extend<(&'static str, String)> for ArgminKV {
fn extend<I: IntoIterator<Item = (&'static str, String)>>(&mut self, iter: I) {
for i in iter {
self.push(i.0, i.1);
}
}
}
#[cfg(test)]
mod tests {
use super::*;
send_sync_test!(argmin_kv, ArgminKV);
}