Struct ClassInfo 

pub struct ClassInfo {
    pub name: Symbol,
    pub params: Vec<Symbol>,
    pub supers: Vec<Symbol>,
    pub methods: BTreeMap<Symbol, Scheme>,
}

Semantic information about a type class declaration, derived from Rex source.

Design notes (WARM):

• We keep this explicit and data-oriented: it makes review easy and keeps costs visible.
• Rex represents multi-parameter classes by encoding the parameters as a tuple in the single Predicate.typ slot. For a unary class C a the predicate is C a. For a binary class C t a the predicate is C (t, a), etc.
• This keeps the runtime/type-inference machinery simple: instance matching is still “unify the predicate types”, and no separate arity tracking is needed.

Fields

name: Symbol

params: Vec<Symbol>

supers: Vec<Symbol>

methods: BTreeMap<Symbol, Scheme>

Trait Implementations

impl Clone for ClassInfo

fn clone(&self) -> ClassInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ClassInfo

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

Formats the value using the given formatter.

impl Hash for ClassInfo

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ClassInfo

fn cmp(&self, other: &ClassInfo) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ClassInfo

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ClassInfo

fn partial_cmp(&self, other: &ClassInfo) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Eq for ClassInfo

impl StructuralPartialEq for ClassInfo