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use crate::tracer::{ErrorMessageTracer, ErrorTracer};
use alloc::string::String;
use core::fmt::{Debug, Display, Formatter};
pub struct StringTracer(pub String);
impl ErrorMessageTracer for StringTracer {
fn new_message<E: Display>(err: &E) -> Self {
StringTracer(alloc::format!("{}", err))
}
fn add_message<E: Display>(self, err: &E) -> Self {
StringTracer(alloc::format!("{0}: {1}", err, self.0))
}
#[cfg(feature = "std")]
fn as_error(&self) -> Option<&(dyn std::error::Error + 'static)> {
None
}
}
impl<E: Display> ErrorTracer<E> for StringTracer {
fn new_trace(err: E) -> Self {
StringTracer(alloc::format!("{}", err))
}
fn add_trace(self, err: E) -> Self {
StringTracer(alloc::format!("{0}: {1}", err, self.0))
}
}
impl Debug for StringTracer {
fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
write!(f, "StringTracer: {0}", self.0)
}
}
impl Display for StringTracer {
fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
write!(f, "{0}", self.0)
}
}