pub trait FromEnvStr: Sized {
type Err: Error + Send + Sync + 'static;
// Required methods
fn from_env_str(value: &str) -> Result<Self, Self::Err>;
fn type_name() -> &'static str;
// Provided method
fn on_not_found(keys: &[&str]) -> Result<Self> { ... }
}Required Associated Types§
Required Methods§
Provided Methods§
fn on_not_found(keys: &[&str]) -> Result<Self>
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.