From 281999fcda25a8300b5fd5b2a12acdac8960168c Mon Sep 17 00:00:00 2001
From: Dan Gohman <dev@sunfishcode.online>
Date: Fri, 9 Feb 2024 15:32:58 -0800
Subject: [PATCH] Fix compilation on Rust 1.63. (#37)

Avoid using std::os::fd, which isn't available until Rust 1.66. And add
Rust 1.63 testing in CI.
---
 .github/workflows/main.yml | 5 ++++-
 src/lib.rs                 | 6 ++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b725abd..5e3ce94 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,8 +24,11 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        build: [stable, nightly]
+        build: [msrv, stable, nightly]
         include:
+          - build: msrv
+            os: ubuntu-latest
+            rust: 1.63
           - build: stable
             os: ubuntu-latest
             rust: stable
diff --git a/src/lib.rs b/src/lib.rs
index 56c38cb..3ed4764 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,10 +36,12 @@
     no_std
 )]
 
-#[cfg(any(unix, target_os = "wasi"))]
-use std::os::fd::{AsFd, AsRawFd};
 #[cfg(target_os = "hermit")]
 use std::os::hermit::io::AsFd;
+#[cfg(unix)]
+use std::os::unix::io::{AsFd, AsRawFd};
+#[cfg(target_os = "wasi")]
+use std::os::wasi::io::{AsFd, AsRawFd};
 #[cfg(windows)]
 use std::os::windows::io::{AsHandle, AsRawHandle, BorrowedHandle};
 #[cfg(windows)]