Struct Provider 

pub struct Provider { /* private fields */ }

Available on crate feature cmd only.

Represents a configuration provider for command line arguments.

Implementations

impl Provider

pub fn new<I, V, S>(args: I, switch_mappings: &[(S, S)]) -> Self

where I: Iterator<Item = V>, V: AsRef<str>, S: AsRef<str>,

Initializes a new command line configuration provider.

Arguments

• args - The command line arguments
• switch_mappings - The mapping of switches to configuration values

Remarks

Only switch mapping keys that start with -- or - are acceptable. Command line arguments may start with --, -, or /.

Trait Implementations

impl Debug for Provider

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

Formats the value using the given formatter.

impl<I, V> From<I> for Provider

where I: Iterator<Item = V>, V: AsRef<str>,

fn from(value: I) -> Self

Converts to this type from the input type.

impl Provider for Provider

fn name(&self) -> &str

Gets the name of the provider.

fn load(&self, settings: &mut Settings) -> Result

Loads the provided configuration.

fn reload_token(&self) -> Box<dyn ChangeToken>

Returns a change token that indicates when this provider has changed.