Struct Cache 

pub struct Cache<T>(/* private fields */);

Represents a monitored cache of configured options.

Implementations

impl<T: Value> Cache<T>

pub fn new() -> Self

Initializes a new options Cache.

pub fn get_or_add( &self, name: &str, create: &dyn Fn(&str) -> Result<T, Error>, ) -> Result<Ref<T>, Error>

Gets or adds options with the specified name.

Arguments

• name - The optional name of the options
• create - The function used to create options when added

pub fn try_add(&self, name: &str, options: T) -> bool

Attempts to add options with the specified name.

Arguments

• name - The optional name of the options
• options - The options to add

Remarks

Returns true if the options were added; otherwise, false. Options are not added if they already exist.

pub fn remove(&self, name: &str) -> bool

Removes options with the specified name, if any.

Arguments

• name - The optional name of the options

Remarks

Returns true if any options were removed; otherwise, false.

pub fn clear(&self)

Clears all options from the cache.

Trait Implementations

impl<T> Default for Cache<T>

fn default() -> Self

Returns the “default value” for a type.