Split database::Map put/del from insert.rs and remove.rs

Signed-off-by: Jason Volk <jason@zemos.net>

src/database/map/del.rs

@@ -0,0 +1,37 @@
+use std::{convert::AsRef, fmt::Debug, io::Write};
+
+use serde::Serialize;
+use tuwunel_core::{arrayvec::ArrayVec, implement};
+
+use crate::{keyval::KeyBuf, ser};
+
+#[implement(super::Map)]
+#[inline]
+pub fn del<K>(&self, key: K)
+where
+	K: Serialize + Debug,
+{
+	let mut buf = KeyBuf::new();
+	self.bdel(key, &mut buf);
+}
+
+#[implement(super::Map)]
+#[inline]
+pub fn adel<const MAX: usize, K>(&self, key: K)
+where
+	K: Serialize + Debug,
+{
+	let mut buf = ArrayVec::<u8, MAX>::new();
+	self.bdel(key, &mut buf);
+}
+
+#[implement(super::Map)]
+#[tracing::instrument(skip(self, buf), level = "trace")]
+pub fn bdel<K, B>(&self, key: K, buf: &mut B)
+where
+	K: Serialize + Debug,
+	B: Write + AsRef<[u8]>,
+{
+	let key = ser::serialize(buf, key).expect("failed to serialize deletion key");
+	self.remove(key);
+}