From a1afddbf8843d01c93cad0735fce4417318a096e Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Mon, 13 Jul 2020 19:01:37 -0400
Subject: started #for, also fixed some other stuff (including io.puti)

---
 std/io.toc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'std/io.toc')

diff --git a/std/io.toc b/std/io.toc
index 10ec1d3..15314c9 100644
--- a/std/io.toc
+++ b/std/io.toc
@@ -285,7 +285,7 @@ fwritei ::= fn(use f: &File, x: int) err : FileError {
 		*out = '-';
 		out += 1;
 		// get the absolute value of x in a u64. this complicated stuff is needed because -INT_MIN doesn't fit in a 64-bit signed integer 
-		x_unsigned = (x as u64) - 18446744073709551615 - 1; 
+		x_unsigned = (18446744073709551615 - (x as u64)) + 1;
 	} else {
 		*out = '0';
 		out += 1;
-- 
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