Rename TryFromError to TryFromReprError

impl/src/try_from.rs

@@ -165,7 +165,7 @@ impl ToTokens for Expansion {
                  ::core::convert::TryFrom<#repr #ty_generics> for #ident
                  #where_clause
             {
-                type Error = ::derive_more::TryFromError<#repr>;
+                type Error = ::derive_more::TryFromReprError<#repr>;
 
                 #[inline]
                 fn try_from(value: #repr) -> ::core::result::Result<Self, Self::Error> {

src/convert.rs

@@ -46,19 +46,20 @@ impl<T> fmt::Display for TryIntoError<T> {
 #[cfg(feature = "std")]
 impl<T: fmt::Debug> std::error::Error for TryIntoError<T> {}
 
-/// Error returned by the derived [`TryFrom`] implementation.
+/// Error returned by the derived [`TryFrom`] implementation on enums to
+/// convert from their repr.
 ///
 /// [`TryFrom`]: macro@crate::TryFrom
 #[derive(Clone, Copy, Debug)]
-pub struct TryFromError<T> {
+pub struct TryFromReprError<T> {
     /// Original input value which failed to convert via the derived
     /// [`TryFrom`] implementation.
     ///
     /// [`TryFrom`]: macro@crate::TryFrom
     pub input: T,
 }
 
-impl<T> TryFromError<T> {
+impl<T> TryFromReprError<T> {
     #[doc(hidden)]
     #[must_use]
     #[inline]
@@ -67,13 +68,13 @@ impl<T> TryFromError<T> {
     }
 }
 
-// `T` should only be an integer type and therefor display
-impl<T: fmt::Display> fmt::Display for TryFromError<T> {
+// `T` should only be an integer type and therefor be debug
+impl<T: fmt::Debug> fmt::Display for TryFromReprError<T> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "`{}` does not respond to a unit variant", self.input)
+        write!(f, "`{:?}` does not respond to a unit variant", self.input)
     }
 }
 
 #[cfg(feature = "std")]
-// `T` should only be an integer type and therefor display and debug
-impl<T: fmt::Debug + fmt::Display> std::error::Error for TryFromError<T> {}
+// `T` should only be an integer type and therefor be debug
+impl<T: fmt::Debug> std::error::Error for TryFromReprError<T> {}

src/lib.rs

@@ -94,7 +94,7 @@ pub use crate::r#str::FromStrError;
 mod convert;
 #[cfg(feature = "try_from")]
 #[doc(inline)]
-pub use crate::convert::TryFromError;
+pub use crate::convert::TryFromReprError;
 #[cfg(feature = "try_into")]
 #[doc(inline)]
 pub use crate::convert::TryIntoError;