export const tryInt = (s: string): number | null => {
    try {
        return parseInt(s);
    } catch (e) {
        console.error(e);
        return null;
    }
};

export const tryMaybeInt = (maybeString: string | null): number | null => {
    if (maybeString) {
        try {
            return parseInt(maybeString);
        } catch (e) {
            console.error(e);
        }
    }
    return null;
};

export const hasValue = <T>(value?: T | null): value is T => {
    return value !== undefined && value !== null;
};