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authorHampusM <hampus@hampusmat.com>2022-11-19 15:45:12 +0100
committerHampusM <hampus@hampusmat.com>2022-11-19 15:45:12 +0100
commit9f27a925bd323e8e0864bedeb33a3c6953517ea1 (patch)
treeea5d8faaed82c58fa037fa377173bb365e1cd697 /src/libs/intertrait/cast/arc.rs
parentd99cbf9fa95856cbc14a3217e1cd3f13aeb2e0b3 (diff)
refactor: reorganize non-public API items
Diffstat (limited to 'src/libs/intertrait/cast/arc.rs')
-rw-r--r--src/libs/intertrait/cast/arc.rs93
1 files changed, 0 insertions, 93 deletions
diff --git a/src/libs/intertrait/cast/arc.rs b/src/libs/intertrait/cast/arc.rs
deleted file mode 100644
index a1b2c30..0000000
--- a/src/libs/intertrait/cast/arc.rs
+++ /dev/null
@@ -1,93 +0,0 @@
-//! Originally from Intertrait by CodeChain
-//!
-//! <https://github.com/CodeChain-io/intertrait>
-//! <https://crates.io/crates/intertrait/0.2.2>
-//!
-//! Licensed under either of
-//!
-//! Apache License, Version 2.0 (LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
-//! MIT license (LICENSE-MIT or <http://opensource.org/licenses/MIT>)
-//!
-//! at your option.
-use std::any::type_name;
-use std::sync::Arc;
-
-use crate::libs::intertrait::cast::error::CastError;
-use crate::libs::intertrait::{get_caster, CastFromSync};
-
-pub trait CastArc
-{
- /// Casts an `Arc` with `Self` into an `Arc` with `Dest`.
- fn cast<Dest: ?Sized + 'static>(self: Arc<Self>) -> Result<Arc<Dest>, CastError>;
-}
-
-/// A blanket implementation of `CastArc` for traits extending `CastFrom`, `Sync`, and
-/// `Send`.
-impl<CastFromSelf: ?Sized + CastFromSync> CastArc for CastFromSelf
-{
- fn cast<Dest: ?Sized + 'static>(self: Arc<Self>) -> Result<Arc<Dest>, CastError>
- {
- let caster =
- get_caster::<Dest>((*self).type_id()).map_err(CastError::GetCasterFailed)?;
-
- let cast_arc = caster
- .opt_cast_arc
- .ok_or(CastError::NotArcCastable(type_name::<Dest>()))?;
-
- cast_arc(self.arc_any()).map_err(|err| CastError::CastFailed {
- source: err,
- from: type_name::<Self>(),
- to: type_name::<Dest>(),
- })
- }
-}
-
-#[cfg(test)]
-mod tests
-{
- use std::any::Any;
- use std::fmt::{Debug, Display};
- use std::sync::Arc;
-
- use super::*;
- use crate::test_utils::subjects;
-
- #[test]
- fn can_cast_arc()
- {
- let concrete_ninja = Arc::new(subjects::Ninja);
-
- let abstract_ninja: Arc<dyn subjects::INinja> = concrete_ninja;
-
- let debug_ninja_result = abstract_ninja.cast::<dyn Debug>();
-
- assert!(debug_ninja_result.is_ok());
- }
-
- #[test]
- fn cannot_cast_arc_wrong()
- {
- let concrete_ninja = Arc::new(subjects::Ninja);
-
- let abstract_ninja: Arc<dyn subjects::INinja> = concrete_ninja;
-
- let display_ninja_result = abstract_ninja.cast::<dyn Display>();
-
- assert!(matches!(
- display_ninja_result,
- Err(CastError::GetCasterFailed(_))
- ));
- }
-
- #[test]
- fn can_cast_arc_from_any()
- {
- let concrete_ninja = Arc::new(subjects::Ninja);
-
- let any_ninja: Arc<dyn Any + Send + Sync> = concrete_ninja;
-
- let debug_ninja_result = any_ninja.cast::<dyn Debug>();
-
- assert!(debug_ninja_result.is_ok());
- }
-}