From 995744cdd253b78f1fa11e1d4ad7230cb8ceea90 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Fri, 14 Mar 2025 13:47:30 +0800
Subject: [PATCH] Note about io::handle in README

---
 README.md | 6 ++++++

diff --git a/README.md b/README.md
index a7ba635a0b52d806a18c6532f9fd2d0774c935b0..cb386c39ae95abe6cfda712ed1ebced674fd3434 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,12 @@
 The `htmpl` module provides auxiliary functions used by the generated Hare
 code, and must be installed for the generated code to compile.
 
+Each template is presented as a function that accepts an `io::handle` and
+other user-defined parameters, if any. The template writes to that
+`io::handle`; this allows for a variety of output backends (i.e. you
+could use a `memio`/`bufio` stream, or write to an actual
+file/socket/pipe socket, etc.)
+
 ## Repository migration notice
 
 The primary repository has been

-- 
2.48.1