/// Orientation for charts (bar, histogram, box plot)
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]pubenumChartOrientation{/// Vertical orientation (default for most charts)
#[default]
Vertical,/// Horizontal orientation
Horizontal,}// KEEP HERE: All tests for ChartOrientation are public API tests
// Since enum variants and their behavior are part of the public API,
// we've extracted all tests to the separate test file.