Struct LayoutCache 

pub struct LayoutCache {
    pub columns: Vec<ColumnMeasure>,
}

Per-column measurements cached after a data load. Invalidated (replaced) whenever SheetsState::init is called.

Fields

columns: Vec<ColumnMeasure>

Implementations

impl LayoutCache

pub fn prepare(headers: &[String], rows: &[Vec<String>]) -> Self

Prepare phase: measure every cell in every column and cache the results.

O(rows × cols) on load; O(1) per render afterward.

pub fn is_empty(&self) -> bool

pub fn col_count(&self) -> usize

Trait Implementations

impl Clone for LayoutCache

fn clone(&self) -> LayoutCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LayoutCache

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

Formats the value using the given formatter.

impl Default for LayoutCache

fn default() -> LayoutCache

Returns the “default value” for a type.