Trait cfg_rs::FromConfig

pub trait FromConfig: Sized {
    fn from_config(
        context: &mut ConfigContext<'_>, 
        value: Option<ConfigValue<'_>>
    ) -> Result<Self, ConfigError>;
}

Generate config instance from configuration.

The most power of this crate is automatically deriving this trait. Please refer to Derive FromConfig for details.

Required methods

fn from_config(
    context: &mut ConfigContext<'_>,
    value: Option<ConfigValue<'_>>
) -> Result<Self, ConfigError>

Generate config from ConfigValue under context.

Implementations on Foreign Types

impl<V: FromConfig> FromConfig for Result<V, ConfigError>

fn from_config(
    context: &mut ConfigContext<'_>,
    value: Option<ConfigValue<'_>>
) -> Result<Self, ConfigError>

impl<V: FromConfig> FromConfig for Option<V>

fn from_config(
    context: &mut ConfigContext<'_>,
    value: Option<ConfigValue<'_>>
) -> Result<Self, ConfigError>

impl<V: FromConfig> FromConfig for Vec<V>

fn from_config(
    context: &mut ConfigContext<'_>,
    _: Option<ConfigValue<'_>>
) -> Result<Self, ConfigError>

impl<V: FromConfig> FromConfig for HashMap<String, V>

fn from_config(
    context: &mut ConfigContext<'_>,
    _: Option<ConfigValue<'_>>
) -> Result<Self, ConfigError>

Implementors

impl<T: FromConfig + Send + 'static> FromConfig for RefValue<T>

impl<V: FromValue> FromConfig for V