From 9dfc54ebabd4cf771579f46109a704d3837eb056 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 7 Aug 2021 22:50:39 +0100
Subject: [PATCH] config: get global config, macro doc

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 macros/macros.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/macros/macros.rs b/macros/macros.rs
index ee79e07..6413499 100644
--- a/macros/macros.rs
+++ b/macros/macros.rs
@@ -46,8 +46,13 @@ use itertools::Itertools;
 ///   }
 /// }
 ///
-/// pub struct InstanceConfigCommon {
-/// {
+/// pub struct InstanceConfigCommon { ... }
+/// impl InstanceConfigCommon {
+///   pub fn from(l: &[InstanceConfig]) { InstanceConfigCommon {
+///     field: <Type as ResolveGlobal>::resolve(l.iter().map(|e| &e.field)),
+///     ...
+///   } }
+/// }
 /// ```
 #[proc_macro_derive(ResolveConfig, attributes(
   limited, server, client, computed, special,
-- 
2.30.2