aboutsummaryrefslogtreecommitdiff
path: root/src/libs/intertrait/cast_box.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/libs/intertrait/cast_box.rs')
-rw-r--r--src/libs/intertrait/cast_box.rs32
1 files changed, 0 insertions, 32 deletions
diff --git a/src/libs/intertrait/cast_box.rs b/src/libs/intertrait/cast_box.rs
deleted file mode 100644
index b2ec77e..0000000
--- a/src/libs/intertrait/cast_box.rs
+++ /dev/null
@@ -1,32 +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 crate::libs::intertrait::{caster, CastFrom};
-
-pub trait CastBox
-{
- /// Casts a box to this trait into that of `Trait`. If fails, returns the receiver.
- fn cast<Trait: ?Sized + 'static>(self: Box<Self>) -> Result<Box<Trait>, Box<Self>>;
-}
-
-/// A blanket implementation of `CastBox` for traits extending `CastFrom`.
-impl<CastableFrom: ?Sized + CastFrom> CastBox for CastableFrom
-{
- fn cast<Trait: ?Sized + 'static>(self: Box<Self>) -> Result<Box<Trait>, Box<Self>>
- {
- match caster::<Trait>((*self).type_id()) {
- Some(caster) => Ok((caster.cast_box)(self.box_any())),
- None => Err(self),
- }
- }
-}