Trait NamedArguments 

pub trait NamedArguments<V: FormatArgument> {
    // Required method
    fn get(&self, key: &str) -> Option<&V>;
}

A type that associates an argument with a name.

Required Methods

fn get(&self, key: &str) -> Option<&V>

Returns a reference to the argument associated with the given name, if any.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl<K, V> NamedArguments<V> for HashMap<K, &V>

where K: Borrow<str> + Hash + Eq, V: FormatArgument,

fn get(&self, key: &str) -> Option<&V>

impl<K, V> NamedArguments<V> for HashMap<K, V>

where K: Borrow<str> + Hash + Eq, V: FormatArgument,

fn get(&self, key: &str) -> Option<&V>

Implementors

impl<V> NamedArguments<V> for NoNamedArguments

where V: FormatArgument,