Method changed_version

crates/ruff_python_parser/src/error.rs:1093–1134

Returns the Python version when the syntax associated with this error was changed, and the type of [`Change`] (added or removed).

(self)

    /// Returns the Python version when the syntax associated with this error was changed, and the
    /// type of [`Change`] (added or removed).
    const fn changed_version(self) -> Change {
        match self {
            UnsupportedSyntaxErrorKind::Match => Change::Added(PythonVersion::PY310),
            UnsupportedSyntaxErrorKind::Walrus => Change::Added(PythonVersion::PY38),
            UnsupportedSyntaxErrorKind::ExceptStar => Change::Added(PythonVersion::PY311),
            UnsupportedSyntaxErrorKind::UnparenthesizedNamedExpr(_) => {
                Change::Added(PythonVersion::PY39)
            }
            UnsupportedSyntaxErrorKind::StarTuple(_) => Change::Added(PythonVersion::PY38),
            UnsupportedSyntaxErrorKind::RelaxedDecorator { .. } => {
                Change::Added(PythonVersion::PY39)
            }
            UnsupportedSyntaxErrorKind::PositionalOnlyParameter => {
                Change::Added(PythonVersion::PY38)
            }
            UnsupportedSyntaxErrorKind::ParenthesizedKeywordArgumentName => {
                Change::Removed(PythonVersion::PY38)
            }
            UnsupportedSyntaxErrorKind::TypeParameterList => Change::Added(PythonVersion::PY312),
            UnsupportedSyntaxErrorKind::LazyImportStatement => Change::Added(PythonVersion::PY315),
            UnsupportedSyntaxErrorKind::TypeAliasStatement => Change::Added(PythonVersion::PY312),
            UnsupportedSyntaxErrorKind::TypeParamDefault => Change::Added(PythonVersion::PY313),
            UnsupportedSyntaxErrorKind::Pep701FString(_) => Change::Added(PythonVersion::PY312),
            UnsupportedSyntaxErrorKind::ParenthesizedContextManager => {
                Change::Added(PythonVersion::PY39)
            }
            UnsupportedSyntaxErrorKind::StarExpressionInIndex => {
                Change::Added(PythonVersion::PY311)
            }
            UnsupportedSyntaxErrorKind::StarAnnotation => Change::Added(PythonVersion::PY311),
            UnsupportedSyntaxErrorKind::UnpackingInComprehension(_) => {
                Change::Added(PythonVersion::PY315)
            }
            UnsupportedSyntaxErrorKind::UnparenthesizedUnpackInFor => {
                Change::Added(PythonVersion::PY39)
            }
            UnsupportedSyntaxErrorKind::UnparenthesizedExceptionTypes => {
                Change::Added(PythonVersion::PY314)
            }
            UnsupportedSyntaxErrorKind::TemplateStrings => Change::Added(PythonVersion::PY314),
        }
    }

    /// Returns whether or not this kind of syntax is unsupported on `target_version`.
    pub(crate) fn is_unsupported(self, target_version: PythonVersion) -> bool {