bevy_assets_extensions 0.8.0

Extensions for bevy assets, with support of collection as assets and a loader manager.
Documentation 
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use serde::{
    Deserializer,
    de::{DeserializeSeed, MapAccess, SeqAccess, Visitor},
    forward_to_deserialize_any,
};

use super::BundleValue;

impl<'de> Deserializer<'de> for BundleValue {
    type Error = serde::de::value::Error;

    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
    where
        V: Visitor<'de>,
    {
        match self {
            BundleValue::Integer(i) => visitor.visit_i64(i),
            BundleValue::Float(f) => visitor.visit_f64(f),
            BundleValue::Text(s) => visitor.visit_string(s),
            BundleValue::Array(arr) => visitor.visit_seq(SeqDeserializer {
                iter: arr.into_iter(),
            }),
            BundleValue::Map(map) => visitor.visit_map(MapDeserializer {
                iter: map.into_iter(),
                value: None,
            }),
        }
    }

    forward_to_deserialize_any! {
        bool i8 i16 i32 i64 u8 u16 u32 u64 f32 f64 char str string
        bytes byte_buf option unit unit_struct newtype_struct
        seq tuple tuple_struct map struct enum identifier ignored_any
    }
}

struct SeqDeserializer {
    iter: std::vec::IntoIter<BundleValue>,
}

impl<'de> SeqAccess<'de> for SeqDeserializer {
    type Error = serde::de::value::Error;

    fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
    where
        T: DeserializeSeed<'de>,
    {
        match self.iter.next() {
            Some(value) => seed.deserialize(value).map(Some),
            None => Ok(None),
        }
    }
}

struct MapDeserializer {
    iter: bevy::platform::collections::hash_map::IntoIter<String, BundleValue>,
    value: Option<BundleValue>,
}

impl<'de> MapAccess<'de> for MapDeserializer {
    type Error = serde::de::value::Error;

    fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Self::Error>
    where
        K: DeserializeSeed<'de>,
    {
        match self.iter.next() {
            Some((k, v)) => {
                self.value = Some(v);
                seed.deserialize(BundleValue::Text(k)).map(Some)
            }
            None => Ok(None),
        }
    }

    fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Self::Error>
    where
        V: DeserializeSeed<'de>,
    {
        let v = self.value.take().unwrap();
        seed.deserialize(v)
    }
}