Struct rill_protocol::config::ConfigPatch

pub struct ConfigPatch<T> { /* fields omitted */ }

Configuration parameter that can be overriden by an environment variable or explicitly by setting default value.

Implementations

impl<T> ConfigPatch<T>

pub const fn new(pre: &'static str) -> Self

pub const fn var(&self) -> &'static str

pub fn env_var(&self) -> Result<Option<T>, Error> where
    T: FromStr, 

pub fn offer(&self, value: T)

Offers an alternative default if no other value provided.

pub fn get<F, D>(&self, value: F, default: D) -> T where
    T: Debug + FromStr + Clone,
    F: Fn() -> Option<T>,
    D: Fn() -> T, 

Trait Implementations

impl<T: Debug> Debug for ConfigPatch<T>

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

Formats the value using the given formatter.