From a6d9356ffaf9680e588ce40e9f38720db523f207 Mon Sep 17 00:00:00 2001
From: Boshen <boshenc@gmail.com>
Date: Sat, 6 Jan 2024 12:45:27 +0800
Subject: [PATCH] feat(allocator): add `From` API (#1908)

closes #1701
---
 crates/oxc_allocator/src/lib.rs | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/crates/oxc_allocator/src/lib.rs b/crates/oxc_allocator/src/lib.rs
index dd27f411c..da6f1c14b 100644
--- a/crates/oxc_allocator/src/lib.rs
+++ b/crates/oxc_allocator/src/lib.rs
@@ -1,4 +1,4 @@
-use std::ops::Deref;
+use std::{convert::From, ops::Deref};
 
 mod arena;
 
@@ -10,6 +10,12 @@ pub struct Allocator {
     bump: Bump,
 }
 
+impl From<Bump> for Allocator {
+    fn from(bump: Bump) -> Self {
+        Self { bump }
+    }
+}
+
 impl Deref for Allocator {
     type Target = Bump;
 
@@ -17,3 +23,21 @@ impl Deref for Allocator {
         &self.bump
     }
 }
+
+#[cfg(test)]
+mod test {
+    use std::ops::Deref;
+
+    use crate::Allocator;
+    use bumpalo::Bump;
+
+    #[test]
+    fn test_api() {
+        let bump = Bump::new();
+        let allocator: Allocator = bump.into();
+        #[allow(clippy::explicit_deref_methods)]
+        {
+            _ = allocator.deref();
+        }
+    }
+}