Trait Map 

pub trait Map {
    // Required method
    fn next(&mut self) -> Option<(Cow<'_, str>, &dyn Serialize)>;
}

Trait that can iterate key-value entries of a map or struct.

Refer to the module documentation for examples.

Required Methods

fn next(&mut self) -> Option<(Cow<'_, str>, &dyn Serialize)>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors