seedfaker-core 0.4.0-alpha.1

Core library for seedfaker — deterministic synthetic generator for realistic, correlated, and noisy test records
Documentation 
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use std::fmt::Write;

use crate::ctx::GenContext;

pub fn gen(ctx: &mut GenContext<'_>, buf: &mut String) {
    // Must preserve RNG order: upper(4), then range(1000, 9999)
    buf.reserve(13);
    buf.push_str("PRJ-");
    ctx.rng.push_upper(buf, 4);
    let n = ctx.rng.range(1000, 9999);
    let _ = write!(buf, "-{n}");
}