7 use crate::map::Map;
12 pub trait Source: Debug {  interface
13     fn clone_into_box(&self) -> Box<dyn Source + Send + Sync>;  in clone_into_box()
15     /// Collect all configuration properties available from this source and return
16     /// a Map.
17     fn collect(&self) -> Result<Map<String, Value>>;  in collect()
20     fn collect_to(&self, cache: &mut Value) -> Result<()> {  in collect_to()
47 /// For those reasons, it is left to other crates to implement runtime-specific or proprietary
55 …  // Sync is supertrait due to https://docs.rs/async-trait/0.1.50/async_trait/index.html#dyn-traits
57     /// Collects all configuration properties available from this source and return
58     /// a Map as an async operations.
59     async fn collect(&self) -> Result<Map<String, Value>>;  in collect()
62     async fn collect_to(&self, cache: &mut Value) -> Result<()> {  in collect_to()
73     fn clone(&self) -> Self {  in clone()
78 impl Clone for Box<dyn Source + Send + Sync> {
79     fn clone(&self) -> Self {  in clone()
84 impl Source for Vec<Box<dyn Source + Send + Sync>> {
85     fn clone_into_box(&self) -> Box<dyn Source + Send + Sync> {  in clone_into_box()
89     fn collect(&self) -> Result<Map<String, Value>> {  in collect()
90         let mut cache: Value = Map::<String, Value>::new().into();  in collect()
92         for source in self {  in collect()
93             source.collect_to(&mut cache)?;  in collect()
104 impl Source for [Box<dyn Source + Send + Sync>] {  impl
105     fn clone_into_box(&self) -> Box<dyn Source + Send + Sync> {  in clone_into_box()
109     fn collect(&self) -> Result<Map<String, Value>> {  in collect()
110         let mut cache: Value = Map::<String, Value>::new().into();  in collect()
112         for source in self {  in collect()
113             source.collect_to(&mut cache)?;  in collect()
124 impl<T> Source for Vec<T>
126     T: Source + Sync + Send + Clone + 'static,
128     fn clone_into_box(&self) -> Box<dyn Source + Send + Sync> {  in clone_into_box()
132     fn collect(&self) -> Result<Map<String, Value>> {  in collect()
133         let mut cache: Value = Map::<String, Value>::new().into();  in collect()
135         for source in self {  in collect()
136             source.collect_to(&mut cache)?;  in collect()