Enum ItemHeight 

pub enum ItemHeight {
    Fixed(u16),
    Variable(HeightCache),
    VariableFenwick(VariableHeightsFenwick),
}

Height calculation strategy for items.

Variants

Fixed(u16)

All items have fixed height.

Variable(HeightCache)

Items have variable height, cached lazily (linear scan).

VariableFenwick(VariableHeightsFenwick)

Items have variable height with O(log n) scroll-to-index via Fenwick tree.

Trait Implementations

impl Clone for ItemHeight

fn clone(&self) -> ItemHeight

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ItemHeight

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

Formats the value using the given formatter.