Struct DiffMetrics 

#[non_exhaustive]
pub struct DiffMetrics {
    pub sheets_read: u32,
    pub cells_read: u64,
    pub cells_compared: u64,
    pub diffs_emitted: u64,
    pub diagnostics_emitted: u64,
}

Internal processing metrics (RFC-024, RFC-027).

Useful for benchmarking, performance analysis, and debugging. Always populated; fields are cumulative across the whole comparison.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

sheets_read: u32

Sheet pairs processed — one per matched, added, or removed sheet.

cells_read: u64

Every cell physically visited while reading both workbooks, including empty cells inside the used range — this is not the number of cells with content. On the sparse_range corpus fixture (two populated cells far apart in a large used range) this reads 5200 against cells_compared’s 2: almost the entire count is empty cells the used range spans but never populates. Always >= cells_compared.

cells_compared: u64

Every coordinate compared between the two sides: the union of both sides’ populated cells for each sheet pair, remapped by alignment when alignment is not Positional. Counted once per coordinate regardless of whether it produced a diff — always >= diffs_emitted.

diffs_emitted: u64

Cell-level differences returned in the result — the count behind every CellDiff across all sheets. Always <= cells_compared.

diagnostics_emitted: u64

Diagnostic entries attached to the result, workbook-level and per-sheet combined.

Trait Implementations

impl Clone for DiffMetrics

fn clone(&self) -> DiffMetrics

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DiffMetrics

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DiffMetrics

fn default() -> DiffMetrics

Returns the “default value” for a type.

impl PartialEq for DiffMetrics

fn eq(&self, other: &DiffMetrics) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for DiffMetrics