From 53a5ce52c5b15c227f16f8e8d3af0fdf9a208f35 Mon Sep 17 00:00:00 2001
From: Fabian Boehm <FHomborg@gmail.com>
Date: Sat, 19 Aug 2023 11:28:48 +0200
Subject: [PATCH] Implement FLOGF formatting

Note: This *requires* an argument after the format string:

```rust
FLOGF!(debug, "foo");
```

won't compile. I think that's okay, because in that case you should
just use FLOG.

An alternative is to make it skip the sprintf.
---
 fish-rust/src/flog.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fish-rust/src/flog.rs b/fish-rust/src/flog.rs
index a722feb3f..4e1f3ddeb 100644
--- a/fish-rust/src/flog.rs
+++ b/fish-rust/src/flog.rs
@@ -191,10 +191,9 @@ macro_rules! FLOG {
     };
 }
 
-// TODO implement.
 macro_rules! FLOGF {
-    ($category:ident, $($elem:expr),+ $(,)*) => {
-        crate::flog::FLOG!($category, $($elem),*);
+    ($category:ident, $fmt: expr, $($elem:expr),+ $(,)*) => {
+        crate::flog::FLOG!($category, sprintf!($fmt, $($elem),*));
     }
 }