4 files changed, 16 insertions, 8 deletions
diff --git a/src/command.rs b/src/command.rs
index ca7e4e3..a5df5ed 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -9,11 +9,13 @@ mod async_process;
 #[cfg(feature = "tokio")]
 mod tokio;
 
-pub trait Command<T> {
+pub trait Command {
+    type Child;
+
     fn spawn_pty(
         &mut self,
         size: Option<&crate::pty::Size>,
-    ) -> Result<Child<T>>;
+    ) -> Result<Child<Self::Child>>;
 }
 
 pub struct Child<T> {
diff --git a/src/command/async_process.rs b/src/command/async_process.rs
index c712289..687fbe4 100644
--- a/src/command/async_process.rs
+++ b/src/command/async_process.rs
@@ -3,11 +3,13 @@ use crate::error::*;
 use async_process::unix::CommandExt as _;
 use std::os::unix::io::{AsRawFd as _, FromRawFd as _};
 
-impl super::Command<async_process::Child> for async_process::Command {
+impl super::Command for async_process::Command {
+    type Child = async_process::Child;
+
     fn spawn_pty(
         &mut self,
         size: Option<&crate::pty::Size>,
-    ) -> Result<super::Child<async_process::Child>> {
+    ) -> Result<super::Child<Self::Child>> {
         let (pty, pts, stdin, stdout, stderr) = super::setup_pty(size)?;
 
         let pt_fd = pty.pt().as_raw_fd();
diff --git a/src/command/std.rs b/src/command/std.rs
index d544b83..0f3bef1 100644
--- a/src/command/std.rs
+++ b/src/command/std.rs
@@ -3,11 +3,13 @@ use crate::error::*;
 use std::os::unix::io::{AsRawFd as _, FromRawFd as _};
 use std::os::unix::process::CommandExt as _;
 
-impl super::Command<std::process::Child> for std::process::Command {
+impl super::Command for std::process::Command {
+    type Child = std::process::Child;
+
     fn spawn_pty(
         &mut self,
         size: Option<&crate::pty::Size>,
-    ) -> Result<super::Child<std::process::Child>> {
+    ) -> Result<super::Child<Self::Child>> {
         let (pty, pts, stdin, stdout, stderr) = super::setup_pty(size)?;
 
         let pt_fd = pty.pt().as_raw_fd();
diff --git a/src/command/tokio.rs b/src/command/tokio.rs
index f29c247..54bfefb 100644
--- a/src/command/tokio.rs
+++ b/src/command/tokio.rs
@@ -2,11 +2,13 @@ use crate::error::*;
 
 use std::os::unix::io::{AsRawFd as _, FromRawFd as _};
 
-impl super::Command<tokio::process::Child> for tokio::process::Command {
+impl super::Command for tokio::process::Command {
+    type Child = tokio::process::Child;
+
     fn spawn_pty(
         &mut self,
         size: Option<&crate::pty::Size>,
-    ) -> Result<super::Child<tokio::process::Child>> {
+    ) -> Result<super::Child<Self::Child>> {
         let (pty, pts, stdin, stdout, stderr) = super::setup_pty(size)?;
 
         let pt_fd = pty.pt().as_raw_fd();