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authorHampusM <hampus@hampusmat.com>2022-11-10 21:48:55 +0100
committerHampusM <hampus@hampusmat.com>2022-11-10 21:49:46 +0100
commit4e8951ff740bddb39d9782c18ed85898d0b978fb (patch)
tree06e9c32e2f95988e4d91bc0ac684ffe5f4fd14d7 /src/libs/intertrait/cast/box.rs
parentad908d2f82eb10e0f0dbc3a1b01e804b8a1ff6f9 (diff)
refactor: improve type param names, docs & more of casting
Diffstat (limited to 'src/libs/intertrait/cast/box.rs')
-rw-r--r--src/libs/intertrait/cast/box.rs16
1 files changed, 6 insertions, 10 deletions
diff --git a/src/libs/intertrait/cast/box.rs b/src/libs/intertrait/cast/box.rs
index 0e160f4..fcd5f70 100644
--- a/src/libs/intertrait/cast/box.rs
+++ b/src/libs/intertrait/cast/box.rs
@@ -17,26 +17,22 @@ use crate::libs::intertrait::{get_caster, CastFrom};
pub trait CastBox
{
- /// Casts a box to this trait into that of type `OtherTrait`.
- fn cast<OtherTrait: ?Sized + 'static>(
- self: Box<Self>,
- ) -> Result<Box<OtherTrait>, CastError>;
+ /// Casts a `Box` with `Self` into a `Box` with `Dest`.
+ fn cast<Dest: ?Sized + 'static>(self: Box<Self>) -> Result<Box<Dest>, CastError>;
}
/// A blanket implementation of `CastBox` for traits extending `CastFrom`.
impl<CastFromSelf: ?Sized + CastFrom> CastBox for CastFromSelf
{
- fn cast<OtherTrait: ?Sized + 'static>(
- self: Box<Self>,
- ) -> Result<Box<OtherTrait>, CastError>
+ fn cast<Dest: ?Sized + 'static>(self: Box<Self>) -> Result<Box<Dest>, CastError>
{
- let caster = get_caster::<OtherTrait>((*self).type_id())
- .map_err(CastError::GetCasterFailed)?;
+ let caster =
+ get_caster::<Dest>((*self).type_id()).map_err(CastError::GetCasterFailed)?;
(caster.cast_box)(self.box_any()).map_err(|err| CastError::CastFailed {
source: err,
from: type_name::<Self>(),
- to: type_name::<OtherTrait>(),
+ to: type_name::<Dest>(),
})
}
}