use crate::ctx::GenContext;
// Format: US EIN — https://www.irs.gov/businesses/small-businesses-self-employed/employer-identification-number
pub fn gen(ctx: &mut GenContext<'_>, buf: &mut String) {
// 2digits + - + 7digits = 10
buf.reserve(10);
ctx.rng.push_digits(buf, 2);
buf.push('-');
ctx.rng.push_digits(buf, 7);
}