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| 2 |
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| 3 | #![cfg_attr(feature = "alloc", feature(allocator_api))]
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| 4 |
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| 5 | use core::convert::Infallible;
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| 6 |
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| 7 | #[cfg(feature = "alloc")]
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| 8 | use std::alloc::AllocError;
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| 9 |
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| 10 | #[derive(Debug)]
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| 11 | pub struct Error;
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| 12 |
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| 13 | impl From<Infallible> for Error {
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| 14 | #[inline]
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| 15 | fn from(e: Infallible) -> Self {
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| 16 | match e {}
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| 17 | }
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| 18 | }
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| 19 |
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| 20 | #[cfg(feature = "alloc")]
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| 21 | impl From<AllocError> for Error {
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| 22 | #[inline]
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| 23 | fn from(_: AllocError) -> Self {
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| 24 | Self
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| 25 | }
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| 26 | }
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| 27 |
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| 28 | #[allow(dead_code)]
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| 29 | fn main() {
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| 30 | let _ = Error;
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| 31 | }
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