fix: Change error type to unit-like struct

src/result.rs

@@ -84,17 +84,15 @@ impl From<ZipError> for io::Error {
 
 /// Error type for time parsing
 #[derive(Debug)]
-pub enum ZipDateTimeError {
-    /// The date was on or before 1980, or on or after 2107
-    DateTimeOutOfBounds,
-}
+pub struct DateTimeRangeError;
 
-impl fmt::Display for ZipDateTimeError {
+impl fmt::Display for DateTimeRangeError {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        match self {
-            ZipDateTimeError::DateTimeOutOfBounds => write!(fmt, "datetime out of bounds"),
-        }
+        write!(
+            fmt,
+            "a date could not be represented within the bounds the MS-DOS date range (1980-2107)"
+        )
     }
 }
 
-impl Error for ZipDateTimeError {}
+impl Error for DateTimeRangeError {}

src/types.rs

@@ -44,7 +44,7 @@ mod atomic {
 }
 
 #[cfg(feature = "time")]
-use crate::result::ZipDateTimeError;
+use crate::result::DateTimeRangeError;
 #[cfg(feature = "time")]
 use time::{error::ComponentRange, Date, Month, OffsetDateTime, PrimitiveDateTime, Time};
 
@@ -259,7 +259,7 @@ impl DateTime {
 
 #[cfg(feature = "time")]
 impl TryFrom<OffsetDateTime> for DateTime {
-    type Error = ZipDateTimeError;
+    type Error = DateTimeRangeError;
 
     fn try_from(dt: OffsetDateTime) -> Result<Self, Self::Error> {
         if dt.year() >= 1980 && dt.year() <= 2107 {
@@ -272,7 +272,7 @@ impl TryFrom<OffsetDateTime> for DateTime {
                 second: dt.second(),
             })
         } else {
-            Err(ZipDateTimeError::DateTimeOutOfBounds)
+            Err(DateTimeRangeError)
         }
     }
 }