Enum CandidatePreferenceMode 

pub enum CandidatePreferenceMode {
    Default,
    Marker,
}

Which trait candidates should be preferred over other candidates? By default, prefer where bounds over alias bounds. For marker traits, prefer alias bounds over where bounds.

Variants

Default

Prefers where bounds over alias bounds

Marker

Prefers alias bounds over where bounds

Implementations

impl CandidatePreferenceMode

pub fn compute<I>( cx: I, trait_id: <I as Interner>::TraitId, ) -> CandidatePreferenceMode

where I: Interner,

Given trait_def_id, which candidate preference mode should be used?

Trait Implementations

impl Clone for CandidatePreferenceMode

fn clone(&self) -> CandidatePreferenceMode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CandidatePreferenceMode

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

Formats the value using the given formatter.

impl Copy for CandidatePreferenceMode