From 095409eb0421f0f970c246b371b39dab2ff912aa Mon Sep 17 00:00:00 2001
From: Jimmi Holst Christensen
Date: Tue, 22 Jul 2025 10:44:11 +0200
Subject: feat: Add `Diagnostic.reportToFile`

The code for reporting errors became quite verbose after writegate.
Reporting to stderr is very common, so this wrapper provides a default,
buffered way to report to a file.
---
 example/streaming-clap.zig | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'example/streaming-clap.zig')

diff --git a/example/streaming-clap.zig b/example/streaming-clap.zig
index d60167c..4cd6962 100644
--- a/example/streaming-clap.zig
+++ b/example/streaming-clap.zig
@@ -34,10 +34,8 @@ pub fn main() !void {
     // Because we use a streaming parser, we have to consume each argument parsed individually.
     while (parser.next() catch |err| {
         // Report useful error and exit.
-        var buf: [1024]u8 = undefined;
-        var stderr = std.fs.File.stderr().writer(&buf);
-        try diag.report(&stderr.interface, err);
-        return stderr.interface.flush();
+        try diag.reportToFile(.stderr(), err);
+        return err;
     }) |arg| {
         // arg.param will point to the parameter which matched the argument.
         switch (arg.param.id) {
-- 
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