Struct config::CommandLineConfigurationProvider

pub struct CommandLineConfigurationProvider { /* private fields */ }

Available on crate feature cmd only.

Represents a ConfigurationProvider that provides command line configuration values.

Implementations

impl CommandLineConfigurationProvider

pub fn new(args: Vec<String>, switch_mappings: HashMap<String, String>) -> Self

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 ConfigurationProvider for CommandLineConfigurationProvider

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

Attempts to get a configuration value with the specified key.

fn load(&mut self) -> LoadResult

Loads the configuration values from the implemented source.

fn child_keys(&self, earlier_keys: &mut Vec<String>, parent_path: Option<&str>)

Gets the immediate descendent configuration keys for a given parent path based on this ConfigurationProvider and the set of keys returned by all of the preceding ConfigurationProvider.

fn name(&self) -> &str

Gets the name of the provider.

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

Returns a ChangeToken if this provider supports change tracking.