serwus 0.2.3

Helpers for building actix-web/diesel based services
Documentation 
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use diesel::Identifiable;
use std::collections::BTreeMap;

/// If `D` is `Identifiable`, then this trait allows to convert `Vec<D>`` into `BTreeMap<D::Id, D>`
pub trait AsMap<'a, D: 'a>
where
    &'a D: Identifiable,
{
    fn as_map(&'a self) -> BTreeMap<<&'a D as Identifiable>::Id, D>;
}

impl<'a, D> AsMap<'a, D> for Vec<D>
where
    D: Clone + 'a,
    &'a D: Identifiable,
    <&'a D as Identifiable>::Id: Ord,
{
    fn as_map(&'a self) -> BTreeMap<<&'a D as Identifiable>::Id, D> {
        let mut acc = BTreeMap::new();
        for item in self {
            acc.insert(item.id(), (*item).clone());
        }
        acc
    }
}