tom-weatherhead/thaw-grammar

// tom-weatherhead/thaw-grammar/src/languages/lisp/domain-object-model/sexpression-bare-base.ts

import { ISExpression } from './isexpression';

export abstract class SExpressionBareBase implements ISExpression {
    // TODO: Add 'get' to all of the type predicates to turn them into accessors; e.g.:
    // public get isNumber(): boolean {
    //     return false;
    // }

    public isNumber(): boolean {
        return false;
    }

    public isSymbol(): boolean {
        return false;
    }

    public isList(): boolean {
        return false;
    }

    public isNull(): boolean {
        return false;
    }

    public isPrimOp(): boolean {
        return false;
    }

    public isClosure(): boolean {
        return false;
    }

    public isString(): boolean {
        return false;
    }

    public abstract toString(): string;

    public isEqualTo(other: unknown): boolean {
        other;
        throw new Error('Call to unimplemented isEqualTo()');
        // return false;
    }
}