From 1bc1a027612175c30367a072dc542e77526221aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=A1s=20Ortega=20Froysa?= <nicolas@ortegas.org>
Date: Thu, 4 Dec 2025 09:46:06 +0100
Subject: [PATCH] Implement basic single-threaded prime checking.

---
 src/main.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 5fd36c3..40d062e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -82,6 +82,26 @@ fn main() {
 
 		while primes_list.borrow().len() < opts.num as usize {
 			let cand = cand_gen.next();
+			let mut is_prime = true;
+
+			for i in primes_list.borrow().iter() {
+				if cand % *i == 0 {
+					is_prime = false;
+					break;
+				}
+			}
+
+			if is_prime {
+				primes_list.borrow_mut().push_back(cand);
+				if opts.verbose {
+					println!("{}", cand);
+				}
+			}
+		}
+
+		if !opts.verbose {
+			let last_prime = *primes_list.borrow().back().unwrap();
+			println!("{}", last_prime);
 		}
 	}
 }