17 lines
446 B
Rust
17 lines
446 B
Rust
use {
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crate::{it::test_error::TestError, object::Object},
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std::rc::Rc,
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};
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pub trait TestObjectExt {
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fn downcast<T: 'static>(self: Rc<Self>) -> Result<Rc<T>, TestError>;
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}
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impl TestObjectExt for dyn Object {
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fn downcast<T: 'static>(self: Rc<Self>) -> Result<Rc<T>, TestError> {
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match self.into_any().downcast() {
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Ok(t) => Ok(t),
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_ => bail!("Object has an incompatible type id"),
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}
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}
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}
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