Struct OptionsCascade

pub struct OptionsCascade<'a> { /* private fields */ }

A cascade of option sets.

Options added later in the cascade override earlier options.

Implementations

impl<'a> OptionsCascade<'a>

pub fn new() -> Self

Creates a new, empty cascade of options.

pub fn new_typical( model_default: &'a Options, env_defaults: &'a Options, model_config: &'a Options, specific_config: Option<&'a Options>, ) -> Self

Setups a typical options cascade, with model_defaults, environment defaults a model config and possibly a specific config.

pub fn from_vec(cascades: Vec<&'a Options>) -> Self

Creates a new cascade of options from a vector of option sets.

pub fn with_options(self, options: &'a Options) -> Self

Returns a new cascade of options with the given set of options added.

pub fn get(&self, opt_discriminant: OptDiscriminants) -> Option<&Opt>

Gets the value of an option from this cascade.

Returns None if the option is not present in any set in this cascade. If the option is present in multiple sets, the value from the most recently added set is returned.

pub fn is_streaming(&self) -> bool

Returns a boolean indicating if options indicate that requests should be streamed or not.

Trait Implementations

impl<'a> Default for OptionsCascade<'a>

fn default() -> Self

Returns a new, empty cascade of options.