Add blanket impl for the 'Resource' trait (denoland#3903)

cli/ops/io.rs

@@ -5,7 +5,6 @@ use crate::http_util::HttpBody;
 use crate::ops::minimal_op;
 use crate::state::ThreadSafeState;
 use deno_core::ErrBox;
-use deno_core::Resource;
 use deno_core::*;
 use futures::future::FutureExt;
 use futures::ready;
@@ -86,8 +85,6 @@ pub enum StreamResource {
  ChildStderr(tokio::process::ChildStderr),
 }
 
-impl Resource for StreamResource {}
-
 /// `DenoAsyncRead` is the same as the `tokio_io::AsyncRead` trait
 /// but uses an `ErrBox` error instead of `std::io:Error`
 pub trait DenoAsyncRead {

cli/ops/net.rs

@@ -5,7 +5,6 @@ use crate::deno_error::bad_resource;
 use crate::ops::json_op;
 use crate::resolve_addr::resolve_addr;
 use crate::state::ThreadSafeState;
-use deno_core::Resource;
 use deno_core::*;
 use futures::future::FutureExt;
 use std;
@@ -226,8 +225,6 @@ struct TcpListenerResource {
  local_addr: SocketAddr,
 }
 
-impl Resource for TcpListenerResource {}
-
 impl Drop for TcpListenerResource {
  fn drop(&mut self) {
  self.wake_task();

cli/ops/plugins.rs

@@ -34,8 +34,6 @@ struct PluginResource {
  ops: HashMap<String, OpId>,
 }
 
-impl Resource for PluginResource {}
-
 struct InitContext {
  ops: HashMap<String, Box<OpDispatcher>>,
 }

cli/ops/process.rs

@@ -75,8 +75,6 @@ struct ChildResource {
  child: tokio::process::Child,
 }
 
-impl Resource for ChildResource {}
-
 fn op_run(
  state: &ThreadSafeState,
  args: Value,

cli/ops/repl.rs

@@ -5,7 +5,6 @@ use crate::ops::json_op;
 use crate::repl;
 use crate::repl::Repl;
 use crate::state::ThreadSafeState;
-use deno_core::Resource;
 use deno_core::*;
 use std::sync::Arc;
 use std::sync::Mutex;
@@ -23,8 +22,6 @@ pub fn init(i: &mut Isolate, s: &ThreadSafeState) {
 
 struct ReplResource(Arc<Mutex<Repl>>);
 
-impl Resource for ReplResource {}
-
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct ReplStartArgs {

cli/ops/signal.rs

@@ -9,8 +9,6 @@ use super::dispatch_json::Deserialize;
 #[cfg(unix)]
 use crate::deno_error::bad_resource;
 #[cfg(unix)]
-use deno_core::Resource;
-#[cfg(unix)]
 use futures::future::{poll_fn, FutureExt};
 #[cfg(unix)]
 use serde_json;
@@ -39,9 +37,6 @@ pub fn init(i: &mut Isolate, s: &ThreadSafeState) {
 /// The second element is the waker of polling future.
 pub struct SignalStreamResource(pub Signal, pub Option<Waker>);
 
-#[cfg(unix)]
-impl Resource for SignalStreamResource {}
-
 #[cfg(unix)]
 #[derive(Deserialize)]
 struct BindSignalArgs {

cli/ops/tls.rs

@@ -7,7 +7,6 @@ use crate::deno_error::ErrorKind;
 use crate::ops::json_op;
 use crate::resolve_addr::resolve_addr;
 use crate::state::ThreadSafeState;
-use deno_core::Resource;
 use deno_core::*;
 use futures::future::FutureExt;
 use std;
@@ -185,8 +184,6 @@ pub struct TlsListenerResource {
  local_addr: SocketAddr,
 }
 
-impl Resource for TlsListenerResource {}
-
 impl Drop for TlsListenerResource {
  fn drop(&mut self) {
  self.wake_task();

core/resources.rs

@@ -77,4 +77,5 @@ impl ResourceTable {
 /// that allows to cast resource to concrete type in `TableResource::get`
 /// and `TableResource::get_mut` methods.
 pub trait Resource: Downcast + Any + Send {}
+impl<T> Resource for T where T: Downcast + Any + Send {}
 impl_downcast!(Resource);