Struct Fail

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pub struct Fail { /* private fields */ }
Expand description

The failure type.

§Example

use std::fs::File;
use std::io::{BufRead, BufReader};

use tiny_fail::Fail;

fn foo() -> Result<(), Fail> {
    let f = File::open("not_exists.txt")?;
    let r = BufReader::new(f);

    for line in r.lines() {
        let num: f64 = line?.parse()?;
        println!("{:.2}", num);
    }
    Ok(())
}

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impl Fail

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pub fn new<S: ToString>(msg: S) -> Fail

Create new Fail from message.

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impl Debug for Fail

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

Formats the value using the given formatter. Read more
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impl Display for Fail

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

Formats the value using the given formatter. Read more
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impl<E: 'static + Send + Sync + Error> From<E> for Fail

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fn from(err: E) -> Fail

Converts to this type from the input type.

Auto Trait Implementations§

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impl Freeze for Fail

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impl !RefUnwindSafe for Fail

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impl Send for Fail

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impl Sync for Fail

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impl Unpin for Fail

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impl !UnwindSafe for Fail

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<!> for T

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fn from(t: !) -> T

Converts to this type from the input type.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.