Function deserialize_optional_generic

src/lowertest/src/lib.rs:81–94

Simpler interface for [deserialize_optional] when no syntax overrides or extensions are needed.

(
    stream_iter: &mut I,
    type_name: &'static str,
)

/// Simpler interface for [deserialize_optional] when no syntax overrides or extensions are needed.
pub fn deserialize_optional_generic<D, I>(
    stream_iter: &mut I,
    type_name: &'static str,
) -> Result<Option<D>, String>
where
    D: DeserializeOwned + MzReflect,
    I: Iterator<Item = TokenTree>,
{
    deserialize_optional(
        stream_iter,
        type_name,
        &mut GenericTestDeserializeContext::default(),
    )
}

/// If the `stream_iter` is not empty, deserialize the next `TokenTree` into a `D`.
///