Enum naga::proc::index::GuardedIndex

pub enum GuardedIndex {
    Known(u32),
    Expression(Handle<Expression>),
}

An index that may be statically known, or may need to be computed at runtime.

This enum lets us handle both Access and AccessIndex expressions with the same code.

Variants

Known(u32)

Expression(Handle<Expression>)

Implementations

impl GuardedIndex

pub(crate) fn try_resolve_to_constant( &mut self, expressions: &Arena<Expression>, module: &Module, )

Make a GuardedIndex::Known from a GuardedIndex::Expression if possible.

Return values that are already Known unchanged.

pub(crate) fn from_expression( expr: Handle<Expression>, expressions: &Arena<Expression>, module: &Module, ) -> Self

Trait Implementations

impl Clone for GuardedIndex

fn clone(&self) -> GuardedIndex

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for GuardedIndex

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

Formats the value using the given formatter.

impl Copy for GuardedIndex