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-rw-r--r--src/di_container.rs15
-rw-r--r--src/errors/di_container.rs13
2 files changed, 22 insertions, 6 deletions
diff --git a/src/di_container.rs b/src/di_container.rs
index b0e5af1..df95be4 100644
--- a/src/di_container.rs
+++ b/src/di_container.rs
@@ -384,12 +384,18 @@ impl DIContainer
match binding_providable {
Providable::Transient(transient_binding) => Ok(SomePtr::Transient(
transient_binding.cast::<Interface>().map_err(|_| {
- DIContainerError::CastFailed(type_name::<Interface>())
+ DIContainerError::CastFailed {
+ interface: type_name::<Interface>(),
+ binding_kind: "transient",
+ }
})?,
)),
Providable::Singleton(singleton_binding) => Ok(SomePtr::Singleton(
singleton_binding.cast::<Interface>().map_err(|_| {
- DIContainerError::CastFailed(type_name::<Interface>())
+ DIContainerError::CastFailed {
+ interface: type_name::<Interface>(),
+ binding_kind: "singleton",
+ }
})?,
)),
#[cfg(feature = "factory")]
@@ -401,8 +407,9 @@ impl DIContainer
let default_factory = factory_binding
.cast::<dyn IFactory<(), Interface>>()
- .map_err(|_| {
- DIContainerError::CastFailed(type_name::<Interface>())
+ .map_err(|_| DIContainerError::CastFailed {
+ interface: type_name::<Interface>(),
+ binding_kind: "factory",
})?;
Ok(SomePtr::Transient(default_factory()))
diff --git a/src/errors/di_container.rs b/src/errors/di_container.rs
index 82a3d55..5e53f43 100644
--- a/src/errors/di_container.rs
+++ b/src/errors/di_container.rs
@@ -11,8 +11,17 @@ use crate::errors::injectable::InjectableError;
pub enum DIContainerError
{
/// Unable to cast a binding for a interface.
- #[error("Unable to cast binding for interface '{0}'")]
- CastFailed(&'static str),
+ #[error(
+ "Unable to cast binding for interface '{interface} with kind '{binding_kind}'"
+ )]
+ CastFailed
+ {
+ /// The interface.
+ interface: &'static str,
+
+ /// The kind of the found binding.
+ binding_kind: &'static str,
+ },
/// Failed to resolve a binding for a interface.
#[error("Failed to resolve binding for interface '{interface}'")]