Struct Settings

pub struct Settings { /* private fields */ }

A dictionary used to store session settings.

Implementations

impl Settings

pub fn present_mode(&self) -> PresentMode

Presentation mode.

pub fn get(&self, setting: &str) -> Option<&Value>

Lookup a setting.

pub fn set(&mut self, k: &str, v: Value) -> Result<Value, String>

Set an existing setting to a new value. Returns Err if there is a type mismatch or the setting isn’t found. Otherwise, returns Ok with the old value.

Trait Implementations

impl Debug for Settings

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

Formats the value using the given formatter.

impl Default for Settings

fn default() -> Self

The default settings.

impl Index<&str> for Settings

type Output = Value

The returned type after indexing.

fn index(&self, setting: &str) -> &Self::Output

Performs the indexing (container[index]) operation.