WIP on simple disk serve

err/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "err"
+version = "0.0.1-a.0"
+authors = ["Dominik Werder <dominik.werder@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+hyper = { version = "0.14", features = ["http1", "http2", "client", "server", "tcp"] }
+http = "0.2"
+serde_json = "1.0"

err/src/lib.rs

@@ -0,0 +1,45 @@
+#[derive(Debug)]
+pub struct Error {
+    msg: String,
+}
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(fmt, "Error")
+    }
+}
+
+impl std::error::Error for Error {
+}
+
+impl From<std::io::Error> for Error {
+    fn from (k: std::io::Error) -> Self {
+        Self {
+            msg: k.to_string(),
+        }
+    }
+}
+
+impl From<http::Error> for Error {
+    fn from (k: http::Error) -> Self {
+        Self {
+            msg: k.to_string(),
+        }
+    }
+}
+
+impl From<hyper::Error> for Error {
+    fn from (k: hyper::Error) -> Self {
+        Self {
+            msg: k.to_string(),
+        }
+    }
+}
+
+impl From<serde_json::Error> for Error {
+    fn from (k: serde_json::Error) -> Self {
+        Self {
+            msg: k.to_string(),
+        }
+    }
+}