export type Struct = {
    id: number;
    ident: string;
    loc: Loc;
    generics: Generics | null;
    fields: Field[];
};

export type Generics = { params: string[] };

export type Field = {
    ident: string;
    loc: Loc;
    ty: Ty;
};

export type Ty = {
    id: number;
    loc: Loc;
    kind: TyKind;
};

export type TyKind =
    | { tag: "array"; length: number | null; ty: Ty }
    | { tag: "generic"; ident: string; args: Ty[] }
    | { tag: "struct_literal"; fields: Field[] }
    | { tag: "ident"; ident: string }
    | { tag: "int"; value: number };

export type Loc = {
    source: string;
    start: Pos;
    end: Pos;
};

export type Pos = { offset: number; line: number; column: number };