Struct TypeFamilyDecl 

pub struct TypeFamilyDecl {
    pub doc: Option<DocComment>,
    pub name: Ident,
    pub params: Vec<TyVar>,
    pub kind: Option<Kind>,
    pub family_kind: TypeFamilyKind,
    pub equations: Vec<TypeFamilyEqn>,
    pub span: Span,
}

A standalone type family declaration.

Open: type family F a Closed: type family F a where F Int = Bool; F a = ()

Fields

doc: Option<DocComment>

Documentation comment.

name: Ident

The family name.

params: Vec<TyVar>

Type parameters.

kind: Option<Kind>

Optional result kind signature.

family_kind: TypeFamilyKind

Whether this family is open or closed.

equations: Vec<TypeFamilyEqn>

Equations (only for closed families).

span: Span

The span.

Trait Implementations

impl Clone for TypeFamilyDecl

fn clone(&self) -> TypeFamilyDecl

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TypeFamilyDecl

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

Formats the value using the given formatter.