Struct Fields 

pub struct Fields<'a>(pub &'a [(&'a str, Value<'a>)]);

A ready-made view over a slice of named values, for small pages, error pages, and tests. Its shape is anonymous: names are looked up per render.

use web_net::{Fields, Value, View};

let view = Fields(&[("title", Value::Text("Hello")), ("count", Value::Int(3))]);
let key = view.shape().key("count").unwrap();
assert!(matches!(view.get(key), Value::Int(3)));

Tuple Fields

0: &'a [(&'a str, Value<'a>)]

Trait Implementations

impl<'a> Clone for Fields<'a>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for Fields<'a>

impl<'a> Debug for Fields<'a>

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

Formats the value using the given formatter.

impl Shape for Fields<'_>

fn id(&self) -> ShapeId

The shape’s identity. Two views with the same id resolve every name to the same key.

fn key(&self, name: &str) -> Option<Key>

The key for a field or method name.

impl View for Fields<'_>

fn shape(&self) -> &dyn Shape

The names this view answers.

fn get(&self, key: Key) -> Value<'_>

A field by key. The hot path: no allocation.

fn call(&self, key: Key, args: &[Value<'_>], with: &mut dyn FnMut(Value<'_>))

A method with arguments (variations.options("size")). The result is passed to with, so it may borrow a value computed for the call. The default answers Value::Absent.