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This commit is contained in:
Harald Hoyer 2018-12-20 14:52:06 +01:00
parent e1570bc548
commit 88660684b7
28 changed files with 739 additions and 174 deletions
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21
src/lib.rs
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@ -3,7 +3,7 @@ use std::fmt::{Debug, Display, Formatter, Result};
use std::result::Result as StdResult;
pub struct ChainError<T> {
#[cfg(feature = "fileline")]
#[cfg(not(feature = "no-fileline"))]
occurrence: Option<(u32, &'static str)>,
kind: T,
error_cause: Option<Box<dyn Error + 'static>>,
@ -12,7 +12,7 @@ pub struct ChainError<T> {
pub type ChainResult<O, E> = StdResult<O, ChainError<E>>;
impl<T: 'static + Display + Debug> ChainError<T> {
#[cfg(feature = "fileline")]
#[cfg(not(feature = "no-fileline"))]
pub fn new(
kind: T,
error_cause: Option<Box<dyn Error + 'static>>,
@ -25,7 +25,7 @@ impl<T: 'static + Display + Debug> ChainError<T> {
}
}
#[cfg(not(feature = "fileline"))]
#[cfg(feature = "no-fileline")]
pub fn new(
kind: T,
error_cause: Option<Box<dyn Error + 'static>>,
@ -194,7 +194,7 @@ impl<T: 'static + Display + Debug> Display for ChainError<T> {
impl<T: 'static + Display + Debug> Debug for ChainError<T> {
fn fmt(&self, f: &mut Formatter) -> Result {
#[cfg(feature = "fileline")]
#[cfg(not(feature = "no-fileline"))]
{
if let Some(o) = self.occurrence {
write!(f, "{}:{}: ", o.1, o.0)?;
@ -203,7 +203,7 @@ impl<T: 'static + Display + Debug> Debug for ChainError<T> {
Debug::fmt(&self.kind, f)?;
#[cfg(feature = "debug-cause")]
#[cfg(not(feature = "no-debug-cause"))]
{
if let Some(e) = self.source() {
writeln!(f, "\nCaused by:")?;
@ -274,14 +274,3 @@ macro_rules! try_cherr_mut {
$e.downcast_mut::<ChainError<$t>>()
};
}
pub mod prelude {
pub use super::{
cherr, derive_str_cherr, mstrerr, try_cherr_mut, try_cherr_ref, ChainError, ChainErrorDown,
ChainResult,
};
}
#[cfg(test)]
mod tests {
}