Implement defmt for v2 - #391
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alejandro-vaz
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Aug 23, 2026
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| #[cfg(all(feature = "extract_if", feature = "defmt"))] | ||
| #[cfg_attr(docsrs, doc(cfg(feature = "defmt")))] | ||
| impl<T, const N: usize, F> defmt::Format for ExtractIf<'_, T, N, F> | ||
| where | ||
| F: FnMut(&mut T) -> bool, | ||
| T: defmt::Format, | ||
| { | ||
| fn format(&self, fmt: defmt::Formatter) { | ||
| defmt::write!(fmt, "ExtractIf({:?})", self.vec.as_slice()); | ||
| } | ||
| } | ||
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separate this into its own file defmt.rs and conditionally link it
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| #[cfg(feature = "defmt")] | ||
| impl<'a, I, const N: usize> defmt::Format for Splice<'a, I, N> | ||
| where | ||
| I: Iterator + 'a, | ||
| <I as Iterator>::Item: defmt::Format, | ||
| { | ||
| fn format(&self, fmt: defmt::Formatter) { | ||
| defmt::write!(fmt, "Splice({:?})", self.drain); | ||
| } | ||
| } | ||
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| #[cfg(feature = "defmt")] | ||
| #[cfg_attr(docsrs, doc(cfg(feature = "defmt")))] | ||
| impl<T: defmt::Format, const N: usize> defmt::Format for SmallVec<T, N> { | ||
| fn format(&self, fmt: defmt::Formatter) { | ||
| defmt::write!(fmt, "{=[?]}", self.as_slice()); | ||
| } | ||
| } | ||
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| #[cfg(feature = "defmt")] | ||
| #[cfg_attr(docsrs, doc(cfg(feature = "defmt")))] | ||
| impl<T: defmt::Format, const N: usize> defmt::Format for IntoIter<T, N> { | ||
| fn format(&self, fmt: defmt::Formatter) { | ||
| defmt::write!(fmt, "IntoIter({=[?]})", self.as_slice()); | ||
| } | ||
| } | ||
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| #[cfg(feature = "defmt")] | ||
| #[cfg_attr(docsrs, doc(cfg(feature = "defmt")))] | ||
| impl<T: defmt::Format, const N: usize> defmt::Format for Drain<'_, T, N> | ||
| where | ||
| T: defmt::Format, | ||
| { | ||
| fn format(&self, fmt: defmt::Formatter) { | ||
| defmt::write!(fmt, "Drain({=[?]})", self.iter.as_slice()); | ||
| } | ||
| } | ||
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alejandro-vaz
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Implements #389 for v2 (also see #390)