1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/papergrid/src/dimension/mod.rs b/vendor/papergrid/src/dimension/mod.rs
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+++ b/vendor/papergrid/src/dimension/mod.rs
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+//! The module contains an [`Dimension`] trait and its implementations.
+
+#[cfg(feature = "std")]
+pub mod compact;
+#[cfg(feature = "std")]
+pub mod spanned;
+#[cfg(feature = "std")]
+pub mod spanned_vec_records;
+
+/// Dimension of a [`Grid`]
+///
+/// It's a friend trait of [`Estimate`].
+///
+/// [`Grid`]: crate::grid::iterable::Grid
+pub trait Dimension {
+    /// Get a column width by index.
+    fn get_width(&self, column: usize) -> usize;
+
+    /// Get a row height by index.
+    fn get_height(&self, row: usize) -> usize;
+}
+
+impl<T> Dimension for &T
+where
+    T: Dimension,
+{
+    fn get_height(&self, row: usize) -> usize {
+        T::get_height(self, row)
+    }
+
+    fn get_width(&self, column: usize) -> usize {
+        T::get_width(self, column)
+    }
+}
+
+/// Dimension estimation of a [`Grid`]
+///
+/// It's a friend trait of [`Dimension`].
+///
+/// [`Grid`]: crate::grid::iterable::Grid
+pub trait Estimate<R, C> {
+    /// Estimates a metric.
+    fn estimate(&mut self, records: R, config: &C);
+}