deorbit-core 0.1.4

A dependency injection framework for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

use crate::runtime::ErasedUnsizer;
use crate::{ServicesBuilder, TypeMeta};
use std::marker::PhantomData;
use std::sync::Arc;

#[derive(Debug)]
pub struct AliasBuilder<'a, Trait: ?Sized + 'static> {
    builder: &'a mut ServicesBuilder,
    impls: Vec<(TypeMeta, ErasedUnsizer)>,
    ph: PhantomData<Trait>,
}

impl<'a, Trait: ?Sized + Send + Sync + 'static> AliasBuilder<'a, Trait> {
    pub(crate) fn from_builder(builder: &'a mut ServicesBuilder) -> Self {
        Self {
            builder,
            impls: vec![],
            ph: PhantomData,
        }
    }

    pub fn to<T: Send + Sync + 'static>(mut self, unsize: fn(Arc<T>) -> Arc<Trait>) -> Self {
        self.impls.push((
            TypeMeta::of::<T>(),
            ErasedUnsizer::try_from(unsize).expect("The type you're trying to unsize to is sized"),
        ));

        self
    }

    pub fn done(self) {
        self.builder.add_alias_binding::<Trait>(self.impls);
    }
}