From 4b3f18de3c5746b2ecfd6183351913de0909a83b Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Tue, 24 Jan 2017 01:58:20 -0500
Subject: printf var args proof of concept

See #167

Need to troubleshoot when we send 2 slices to printf. It goes
into an infinite loop.

This commit introduces 4 builtin functions:

 * `@isInteger`
 * `@isFloat`
 * `@canImplictCast`
 * `@typeName`
---
 std/debug.zig | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'std/debug.zig')

diff --git a/std/debug.zig b/std/debug.zig
index 4051ff123a..15aebf3a23 100644
--- a/std/debug.zig
+++ b/std/debug.zig
@@ -50,10 +50,7 @@ pub fn writeStackTrace(out_stream: &io.OutStream) -> %void {
                 const compile_unit = findCompileUnit(st, return_address) ?? return error.MissingDebugInfo;
                 const name = %return compile_unit.die.getAttrString(st, DW.AT_name);
 
-                %return out_stream.printInt(usize, return_address);
-                %return out_stream.printf("  -> ");
-                %return out_stream.printf(name);
-                %return out_stream.printf("\n");
+                %return out_stream.printf("{}  -> {}\n", return_address, name);
                 maybe_fp = *(&const ?&const u8)(fp);
             }
         },
-- 
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