Trait MapHelper 

pub trait MapHelper {
    // Required method
    fn string(&self, key: &str) -> Option<String>;

    // Provided methods
    fn name(&self) -> Option<String> { ... }
    fn doc(&self) -> Option<String> { ... }
}

Required Methods

fn string(&self, key: &str) -> Option<String>

Provided Methods

fn name(&self) -> Option<String>

fn doc(&self) -> Option<String>

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl MapHelper for Map<String, Value>

fn string(&self, key: &str) -> Option<String>

Implementors