From 268219da020114913e101642e47699149778bbd8 Mon Sep 17 00:00:00 2001
From: Maybe Waffle <waffle.lapkin@gmail.com>
Date: Wed, 16 Nov 2022 21:58:58 +0000
Subject: [PATCH] Use `as_deref` in compiler (but only where it makes sense)

---
 build_system/utils.rs | 2 +-
 src/config.rs         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/build_system/utils.rs b/build_system/utils.rs
index 48da64906e2..c627af4e62f 100644
--- a/build_system/utils.rs
+++ b/build_system/utils.rs
@@ -104,5 +104,5 @@ pub(crate) fn copy_dir_recursively(from: &Path, to: &Path) {
 }
 
 pub(crate) fn is_ci() -> bool {
-    env::var("CI").as_ref().map(|val| &**val) == Ok("true")
+    env::var("CI").as_deref() == Ok("true")
 }
diff --git a/src/config.rs b/src/config.rs
index e59a0cb0a23..45522fb1a4c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -2,7 +2,7 @@
 use std::str::FromStr;
 
 fn bool_env_var(key: &str) -> bool {
-    env::var(key).as_ref().map(|val| &**val) == Ok("1")
+    env::var(key).as_deref() == Ok("1")
 }
 
 /// The mode to use for compilation.