Trait rs::logging::Warn

pub trait Warn where
    Self: Sized, {
    type Value;

    fn or_warn<H: Handler>(
        self, 
        handler: &mut H, 
        level: Problem, 
        message: &str
    ) -> Option<Self::Value>;

    fn or_print(self, level: Problem, message: &str) -> Option<Self::Value> { ... }
}

Sugar for logging errors in results.

Required Associated Types

type Value

Required Methods

fn or_warn<H: Handler>(
    self,
    handler: &mut H,
    level: Problem,
    message: &str
) -> Option<Self::Value>

Approach 3.

Provided Methods

fn or_print(self, level: Problem, message: &str) -> Option<Self::Value>

Approach 2.

Implementations on Foreign Types

impl<T, E: Display> Warn for Result<T, E>

type Value = T

fn or_warn<H: Handler>(
    self,
    handler: &mut H,
    level: Problem,
    message: &str
) -> Option<T>

impl<T> Warn for Option<T>

type Value = T

fn or_warn<H: Handler>(
    self,
    handler: &mut H,
    level: Problem,
    message: &str
) -> Option<T>

Implementors