22 lines
743 B
Rust
22 lines
743 B
Rust
// TODO https://github.com/PyO3/pyo3/issues/5487
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#![allow(clippy::undocumented_unsafe_blocks)]
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use crate::{Bound, PyAny, PyResult, PyTypeCheck};
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pub(crate) trait PyResultExt<'py>: crate::sealed::Sealed {
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fn cast_into<T: PyTypeCheck>(self) -> PyResult<Bound<'py, T>>;
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unsafe fn cast_into_unchecked<T>(self) -> PyResult<Bound<'py, T>>;
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}
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impl<'py> PyResultExt<'py> for PyResult<Bound<'py, PyAny>> {
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#[inline]
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fn cast_into<T: PyTypeCheck>(self) -> PyResult<Bound<'py, T>> where {
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self.and_then(|instance| instance.cast_into().map_err(Into::into))
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}
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#[inline]
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unsafe fn cast_into_unchecked<T>(self) -> PyResult<Bound<'py, T>> {
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self.map(|instance| unsafe { instance.cast_into_unchecked() })
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}
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}
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