Struct DefaultSeqAccess 

pub struct DefaultSeqAccess { /* private fields */ }

A default sequence access that always returns None (empty sequence).

Implementations

impl DefaultSeqAccess

pub fn new(size: Option<usize>) -> Self

Creates a new default sequence access with the given size hint.

Trait Implementations

impl Default for DefaultSeqAccess

fn default() -> Self

Returns the “default value” for a type.

impl<'de> SeqAccess<'de> for DefaultSeqAccess

type Error = Error

The error type that can be returned if some error occurs during deserialization.

fn next_element_seed<T>( &mut self, seed: T, ) -> Result<Option<T::Value>, Self::Error>

where T: DeserializeSeed<'de>,

This returns Ok(Some(value)) for the next value in the sequence, or Ok(None) if there are no more remaining items.

fn size_hint(&self) -> Option<usize>

Returns the number of elements remaining in the sequence, if known.

fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>

where T: Deserialize<'de>,

This returns Ok(Some(value)) for the next value in the sequence, or Ok(None) if there are no more remaining items.