Trait error_stack::ResultExt

pub trait ResultExt {
    type Ok;

    fn attach<A>(self, attachment: A) -> Self
    where
        A: Send + Sync + 'static;
    fn attach_lazy<A, F>(self, attachment: F) -> Self
    where
        A: Send + Sync + 'static,
        F: FnOnce() -> A;
    fn attach_printable<A>(self, attachment: A) -> Self
    where
        A: Display + Debug + Send + Sync + 'static;
    fn attach_printable_lazy<A, F>(self, attachment: F) -> Self
    where
        A: Display + Debug + Send + Sync + 'static,
        F: FnOnce() -> A;
    fn change_context<C>(self, context: C) -> Result<Self::Ok, C>
    where
        C: Context;
    fn change_context_lazy<C, F>(self, context: F) -> Result<Self::Ok, C>
    where
        C: Context,
        F: FnOnce() -> C;
}

Extension trait for Result to provide context information on Reports.

Required Associated Types

type Ok

Type of the Ok value in the Result

Required Methods

fn attach<A>(self, attachment: A) -> Selfwhere
    A: Send + Sync + 'static,

Adds a new attachment to the Report inside the Result.

Applies Report::attach on the Err variant, refer to it for more information.

fn attach_lazy<A, F>(self, attachment: F) -> Selfwhere
    A: Send + Sync + 'static,
    F: FnOnce() -> A,

Lazily adds a new attachment to the Report inside the Result.

Applies Report::attach on the Err variant, refer to it for more information.

fn attach_printable<A>(self, attachment: A) -> Selfwhere
    A: Display + Debug + Send + Sync + 'static,

Adds a new printable attachment to the Report inside the Result.

Applies Report::attach_printable on the Err variant, refer to it for more information.

fn attach_printable_lazy<A, F>(self, attachment: F) -> Selfwhere
    A: Display + Debug + Send + Sync + 'static,
    F: FnOnce() -> A,

Lazily adds a new printable attachment to the Report inside the Result.

Applies Report::attach_printable on the Err variant, refer to it for more information.

fn change_context<C>(self, context: C) -> Result<Self::Ok, C>where
    C: Context,

Changes the context of the Report inside the Result.

Applies Report::change_context on the Err variant, refer to it for more information.

fn change_context_lazy<C, F>(self, context: F) -> Result<Self::Ok, C>where
    C: Context,
    F: FnOnce() -> C,

Lazily changes the context of the Report inside the Result.

Applies Report::change_context on the Err variant, refer to it for more information.

Implementors

impl<T, C> ResultExt for Result<T, C>

type Ok = T