Struct Builder 

pub struct Builder(/* private fields */);

Represents a configuration builder.

Implementations

impl Builder

pub fn providers(&self) -> impl Iterator<Item = &dyn Provider>

Gets the configuration providers.

pub fn add(&mut self, provider: impl Provider + 'static)

Adds a new configuration provider.

Arguments

• provider - The configuration provider to add

pub fn build(&self) -> Result<Configuration>

Builds a configuration from the registered configuration providers.

Trait Implementations

impl ChainedExt for Builder

Available on crate feature chained only.

fn add_configuration<T: Into<Arc<Configuration>>>( self, configuration: T, ) -> Self

Adds an existing configuration.

impl CommandLineExt for Builder

Available on crate feature cmd only.

fn add_command_line(self) -> Self

Adds a command line configuration source.

fn add_command_line_map<S: AsRef<str>>(self, switch_mappings: &[(S, S)]) -> Self

Adds a command line configuration source.

impl Default for Builder

fn default() -> Builder

Returns the “default value” for a type.

impl EnvVarsExt for Builder

Available on crate feature env only.

fn add_env_vars_with_prefix<S: Into<String>>(self, prefix: S) -> Self

Adds environment variables as a configuration source.

fn add_env_vars(self) -> Self

Adds environment variables as a configuration source.

impl IniExt for Builder

Available on crate feature ini only.

fn add_ini_file<F: Into<FileSource>>(self, file: F) -> Self

Adds an *.ini file as a configuration source.

impl JsonExt for Builder

Available on crate feature json only.

fn add_json_file<F: Into<FileSource>>(self, file: F) -> Self

Adds a *.json file as a configuration source.

impl MemoryExt for Builder

Available on crate feature mem only.

fn add_in_memory<S: AsRef<str>>(self, data: &[(S, S)]) -> Self

Adds an in-memory configuration source using the specified data.

impl TryFrom<Builder> for Configuration

type Error = Error

The type returned in the event of a conversion error.

fn try_from(builder: Builder) -> Result<Self>

Performs the conversion.

impl TryFrom<Builder> for ReloadableConfiguration

type Error = Error

The type returned in the event of a conversion error.

fn try_from(builder: Builder) -> Result<Self>

Performs the conversion.

impl TypedExt for Builder

Available on crate feature typed only.

fn add_typed<T: Serialize + Send + Sync + 'static>(self, value: T) -> Self

Adds a typed configuration source using a serializable type.

impl XmlExt for Builder

Available on crate feature xml only.

fn add_xml_file<F: Into<FileSource>>(self, file: F) -> Self

Adds a *.xml file as a configuration source.

impl YamlExt for Builder

Available on crate feature yaml only.

fn add_yaml_file<F: Into<FileSource>>(self, file: F) -> Self

Adds a *.yaml file as a configuration source.