Enum Stickiness 

pub enum Stickiness {
    AlwaysGrows,
    NeverGrows,
    GrowsOnlyBefore,
    GrowsOnlyAfter,
}

The four stickiness modes, stored as what they are: a named pair of Biases, one per boundary marker.

The mode names describe how the range reacts to an insertion at one of its edges: AlwaysGrows swallows text inserted at either edge, NeverGrows rejects both, and the two GrowsOnly* modes swallow at exactly one edge. Typing strictly inside a range always grows it regardless of mode — stickiness only decides the edges.

Variants

AlwaysGrows

Grows at both edges: (Left, Right). Active snippet placeholder.

NeverGrows

Grows at neither edge: (Right, Left). Diagnostics, find matches, inactive snippet stops.

GrowsOnlyBefore

Grows only at its start: (Left, Left). Caret at end-of-line.

GrowsOnlyAfter

Grows only at its end: (Right, Right). A trailing caret.

Implementations

impl Stickiness

pub fn biases(self) -> (Bias, Bias)

The (start_bias, end_bias) pair — the entire semantic content of the enum.

Trait Implementations

impl Clone for Stickiness

fn clone(&self) -> Stickiness

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Stickiness

impl Debug for Stickiness

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

Formats the value using the given formatter.

impl Eq for Stickiness

impl PartialEq for Stickiness

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Stickiness