Struct MetadataView 

pub struct MetadataView<'a> { /* private fields */ }

Read-only view of optional result metadata.

Implementations

impl MetadataView<'_>

pub fn get(&self, name: &str) -> Option<&ExactJsonValue>

Looks up one metadata member.

pub fn is_empty(&self) -> bool

Returns whether _meta was absent or had no members.

Trait Implementations

impl<'a> Clone for MetadataView<'a>

fn clone(&self) -> MetadataView<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Copy for MetadataView<'a>

impl<'a> Debug for MetadataView<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.