musli_core/en/
encode_trace.rs

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use super::Encoder;

/// Trait governing how types are encoded specifically for tracing.
///
/// This is used for types where some extra bounds might be necessary to trace a
/// container such as a [`HashMap<K, V>`] where `K` would have to implement
/// [`fmt::Display`].
///
/// [`HashMap<K, V>`]: std::collections::HashMap
/// [`fmt::Display`]: std::fmt::Display
pub trait EncodeTrace<M> {
    /// Encode the given output.
    fn trace_encode<E>(&self, cx: &E::Cx, encoder: E) -> Result<E::Ok, E::Error>
    where
        E: Encoder<Mode = M>;
}