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#[cfg(feature = "std")]
use std::{error::Error, fmt};
#[cfg(not(feature = "std"))]
use core::fmt;
#[derive(Debug, Clone)]
pub struct UninitializedFieldError(&'static str);
impl UninitializedFieldError {
pub fn new(field_name: &'static str) -> Self {
UninitializedFieldError(field_name)
}
pub fn field_name(&self) -> &'static str {
self.0
}
}
impl fmt::Display for UninitializedFieldError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Field not initialized: {}", self.0)
}
}
#[cfg(feature = "std")]
impl Error for UninitializedFieldError {}
impl From<&'static str> for UninitializedFieldError {
fn from(field_name: &'static str) -> Self {
Self::new(field_name)
}
}
#[derive(Debug, Clone)]
pub struct SubfieldBuildError<E>(&'static str, E);
impl<E> SubfieldBuildError<E> {
pub fn new(field_name: &'static str, sub_builder_error: E) -> Self {
SubfieldBuildError(field_name, sub_builder_error)
}
pub fn field_name(&self) -> &'static str {
self.0
}
pub fn sub_builder_error(&self) -> &E {
&self.1
}
pub fn into_parts(self) -> (&'static str, E) {
(self.0, self.1)
}
}
impl<E> fmt::Display for SubfieldBuildError<E>
where
E: fmt::Display,
{
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "in {}: {}", self.0, self.1)
}
}
#[cfg(feature = "std")]
impl<E> Error for SubfieldBuildError<E> where E: Error {}