Struct OptionSet 

pub struct OptionSet { /* private fields */ }

A set of options.

It extracts the options by calling the OptionsMetadata::record of a type implementing OptionsMetadata.

Implementations

impl OptionSet

pub fn of<T>() -> Self

where T: OptionsMetadata + 'static,

pub fn record(&self, visit: &mut dyn Visit)

Visits the options in this set by calling visit for each option.

pub fn documentation(&self) -> Option<&'static str>

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

Returns true if this set has an option that resolves to name.

The name can be separated by . to find a nested option.

pub fn find(&self, name: &str) -> Option<OptionEntry>

Returns Some if this set has an option that resolves to name and None otherwise.

The name can be separated by . to find a nested option.

Trait Implementations

impl Clone for OptionSet

fn clone(&self) -> OptionSet

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OptionSet

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

Formats the value using the given formatter.

impl Display for OptionSet

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

Formats the value using the given formatter.

impl PartialEq for OptionSet

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for OptionSet

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for OptionSet

impl Eq for OptionSet