From e76ce2c1d0d3988359267fd3030a81a52ec99f3f Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 25 Feb 2019 11:37:54 -0500
Subject: first class support for compiling C code

New CLI parameter: --c-source [options] [file]

It even works with `--cache on` when there are transitive dependencies.

Instead of `builder.addCExecutable`, use `builder.addExecutable` and pass
`null` for the root source file. Then use `builder.addCSourceFile`,
which takes the path to the C code, and a list of C compiler args.
Be sure to linkSystemLibrary("c") if you want libc headers to be
available.

Merge TestStep into LibExeObjStep. That was long overdue.
---
 std/buf_set.zig | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'std/buf_set.zig')

diff --git a/std/buf_set.zig b/std/buf_set.zig
index 7ccd94c179..484b4953b9 100644
--- a/std/buf_set.zig
+++ b/std/buf_set.zig
@@ -32,6 +32,10 @@ pub const BufSet = struct {
         }
     }
 
+    pub fn exists(self: BufSet, key: []const u8) bool {
+        return self.hash_map.get(key) != null;
+    }
+
     pub fn delete(self: *BufSet, key: []const u8) void {
         const entry = self.hash_map.remove(key) orelse return;
         self.free(entry.key);
-- 
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