From b0b8c1edbfb03f3207fafc176aecfc8d90ff77e3 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Tue, 12 Oct 2021 15:07:49 +0200
Subject: [PATCH] Remove default_map

---
 cranelift/codegen/meta/src/default_map.rs | 20 --------------------
 cranelift/codegen/meta/src/lib.rs         |  1 -
 2 files changed, 21 deletions(-)
 delete mode 100644 cranelift/codegen/meta/src/default_map.rs

diff --git a/cranelift/codegen/meta/src/default_map.rs b/cranelift/codegen/meta/src/default_map.rs
deleted file mode 100644
index 3a2be05dac..0000000000
--- a/cranelift/codegen/meta/src/default_map.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-//! Trait for extending `HashMap` with `get_or_default`.
-use std::collections::HashMap;
-use std::hash::Hash;
-
-pub(crate) trait MapWithDefault<K, V: Default> {
-    fn get_or_default(&mut self, k: K) -> &mut V;
-}
-
-impl<K: Eq + Hash, V: Default> MapWithDefault<K, V> for HashMap<K, V> {
-    fn get_or_default(&mut self, k: K) -> &mut V {
-        self.entry(k).or_insert_with(V::default)
-    }
-}
-
-#[test]
-fn test_default() {
-    let mut hash_map = HashMap::new();
-    hash_map.insert(42, "hello");
-    assert_eq!(*hash_map.get_or_default(43), "");
-}
diff --git a/cranelift/codegen/meta/src/lib.rs b/cranelift/codegen/meta/src/lib.rs
index 20815ef8d2..44f0c4fd85 100644
--- a/cranelift/codegen/meta/src/lib.rs
+++ b/cranelift/codegen/meta/src/lib.rs
@@ -11,7 +11,6 @@ mod gen_inst;
 mod gen_settings;
 mod gen_types;
 
-mod default_map;
 mod shared;
 mod unique_table;