diff --git a/.gitignore b/.gitignore
index 4e26457..97975dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 build
 erl_crash.dump
 node_modules
+examples/*/manifest.toml
diff --git a/examples/hello-world/manifest.toml b/examples/hello-world/manifest.toml
deleted file mode 100644
index da26b4b..0000000
--- a/examples/hello-world/manifest.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "smol", version = "1.0.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "marceau"], source = "local", path = "../.." },
-]
-
-[requirements]
-gleam_http = { version = ">= 4.0.0 and < 5.0.0" }
-gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
-gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-smol = { path = "../../" }
diff --git a/examples/json-api/manifest.toml b/examples/json-api/manifest.toml
deleted file mode 100644
index 417388e..0000000
--- a/examples/json-api/manifest.toml
+++ /dev/null
@@ -1,23 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "javascript_mutable_reference", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "javascript_mutable_reference", source = "hex", outer_checksum = "3EE953EE7FE4FAFD17C16F24184F4C832FE260D761753F28F20D4AC1DA080F03" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "smol", version = "1.0.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "marceau"], source = "local", path = "../.." },
-]
-
-[requirements]
-gleam_http = { version = ">= 4.0.0 and < 5.0.0" }
-gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
-gleam_json = { version = ">= 2.3.0 and < 3.0.0" }
-gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-javascript_mutable_reference = { version = ">= 1.0.0 and < 2.0.0" }
-smol = { path = "../.." }
diff --git a/examples/serve-files/manifest.toml b/examples/serve-files/manifest.toml
deleted file mode 100644
index f1b1330..0000000
--- a/examples/serve-files/manifest.toml
+++ /dev/null
@@ -1,21 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "smol", version = "1.0.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "marceau"], source = "local", path = "../.." },
-]
-
-[requirements]
-filepath = { version = ">= 1.1.0 and < 2.0.0" }
-gleam_http = { version = ">= 4.0.0 and < 5.0.0" }
-gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
-gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-smol = { path = "../.." }
diff --git a/examples/server-sent-events/manifest.toml b/examples/server-sent-events/manifest.toml
deleted file mode 100644
index fe9150e..0000000
--- a/examples/server-sent-events/manifest.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "smol", version = "1.0.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "marceau"], source = "local", path = "../.." },
-]
-
-[requirements]
-gleam_http = { version = ">= 4.0.0 and < 5.0.0" }
-gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
-gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-smol = { path = "../.." }
diff --git a/examples/websockets/manifest.toml b/examples/websockets/manifest.toml
deleted file mode 100644
index fe9150e..0000000
--- a/examples/websockets/manifest.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-# This file was generated by Gleam
-# You typically do not need to edit this file
-
-packages = [
-  { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
-  { name = "gleam_http", version = "4.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "0A62451FC85B98062E0907659D92E6A89F5F3C0FBE4AB8046C99936BF6F91DBC" },
-  { name = "gleam_javascript", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "EF6C77A506F026C6FB37941889477CD5E4234FCD4337FF0E9384E297CB8F97EB" },
-  { name = "gleam_json", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "C55C5C2B318533A8072D221C5E06E5A75711C129E420DD1CE463342106012E5D" },
-  { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
-  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
-  { name = "marceau", version = "1.3.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "2D1C27504BEF45005F5DFB18591F8610FB4BFA91744878210BDC464412EC44E9" },
-  { name = "smol", version = "1.0.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "marceau"], source = "local", path = "../.." },
-]
-
-[requirements]
-gleam_http = { version = ">= 4.0.0 and < 5.0.0" }
-gleam_javascript = { version = ">= 1.0.0 and < 2.0.0" }
-gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
-gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
-smol = { path = "../.." }
diff --git a/examples/websockets/src/websockets.gleam b/examples/websockets/src/websockets.gleam
index 6f541ae..41412b3 100644
--- a/examples/websockets/src/websockets.gleam
+++ b/examples/websockets/src/websockets.gleam
@@ -4,7 +4,7 @@ import gleam/option.{None}
 import smol
 
 type Msg {
-  ConnectionOpened
+  ConnectionOpened(send: fn(Msg) -> Nil)
   ConnectionClosed
   MessageReceived(smol.WebsocketMessage)
 }
@@ -23,8 +23,8 @@ fn handler(request) {
       }
     }
 
-    ["ws"] -> {
-      let #(response, _runtime) = {
+    ["ws"] ->
+      promise.resolve({
         use Nil, msg <- smol.websocket(
           init: Nil,
           on_open: ConnectionOpened,
@@ -33,16 +33,13 @@ fn handler(request) {
         )
 
         case msg {
-          ConnectionOpened -> smol.send(Nil, smol.Text("Welcome!"))
+          ConnectionOpened(_) -> smol.send(Nil, smol.Text("Welcome!"))
           MessageReceived(smol.Text(msg)) ->
             smol.send(Nil, smol.Text("You said: " <> msg))
           MessageReceived(smol.Binary(_)) -> smol.step(Nil)
           ConnectionClosed -> smol.close()
         }
-      }
-
-      promise.resolve(response)
-    }
+      })
 
     _ -> promise.resolve(smol.send_status(404))
   }