Struct ErrorAnnotation 

pub struct ErrorAnnotation<S, I> {
    pub source: S,
    pub label: &'static str,
    pub info: I,
}

Combine a source error with labeled diagnostic information.

ErrorAnnotation combines a source error of type S with diagnostic info of type I which will be labeled with label when displayed.

Fields

source: S

label: &'static str

info: I

Implementations

impl<S, I> ErrorAnnotation<S, I>

pub fn map_source<F, T>(self, f: F) -> ErrorAnnotation<T, I>

where F: FnOnce(S) -> T,

Transform the source while leaving the annotated info.

pub fn map_info<F, J>(self, f: F) -> ErrorAnnotation<S, J>

where F: FnOnce(I) -> (&'static str, J),

Transform the info with a new label, leaving the original source.

Trait Implementations

impl<S: Debug, I: Debug> Debug for ErrorAnnotation<S, I>

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

Formats the value using the given formatter.

impl<S, I> Display for ErrorAnnotation<S, I>

where I: Display, S: Display,

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

Formats the value using the given formatter.