1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/icu_locid/src/parser/errors.rs b/vendor/icu_locid/src/parser/errors.rs
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+++ b/vendor/icu_locid/src/parser/errors.rs
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+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+use displaydoc::Display;
+
+/// List of parser errors that can be generated
+/// while parsing [`LanguageIdentifier`](crate::LanguageIdentifier), [`Locale`](crate::Locale),
+/// [`subtags`](crate::subtags) or [`extensions`](crate::extensions).
+#[derive(Display, Debug, PartialEq, Copy, Clone)]
+#[non_exhaustive]
+pub enum ParserError {
+    /// Invalid language subtag.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use icu::locid::subtags::Language;
+    /// use icu::locid::ParserError;
+    ///
+    /// assert_eq!("x2".parse::<Language>(), Err(ParserError::InvalidLanguage));
+    /// ```
+    #[displaydoc("The given language subtag is invalid")]
+    InvalidLanguage,
+
+    /// Invalid script, region or variant subtag.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use icu::locid::subtags::Region;
+    /// use icu::locid::ParserError;
+    ///
+    /// assert_eq!("#@2X".parse::<Region>(), Err(ParserError::InvalidSubtag));
+    /// ```
+    #[displaydoc("Invalid subtag")]
+    InvalidSubtag,
+
+    /// Invalid extension subtag.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use icu::locid::extensions::unicode::Key;
+    /// use icu::locid::ParserError;
+    ///
+    /// assert_eq!("#@2X".parse::<Key>(), Err(ParserError::InvalidExtension));
+    /// ```
+    #[displaydoc("Invalid extension")]
+    InvalidExtension,
+}
+
+#[cfg(feature = "std")]
+impl std::error::Error for ParserError {}