file io

README.md

@@ -9,18 +9,15 @@ odin build . -out:build/brolang
 ./build/prototype
 ```
 
-Programs may receive the system I/O capability explicitly. Readers and writers
-pair that implementation with a stream; `main func() ...` remains valid.
+Programs may receive the system I/O capability explicitly. Standard-stream
+helpers bind the provider, handle, and callback; `main func() ...` remains valid.
 
 ```bro
 io :: import "@std/io"
 process :: import "@std/process"
 
 main func(init process.Init) void {
-	io.print(io.Writer {
-		impl = init.io,
-		stream = .stdout,
-	}, "hello {s} {d}\n", {"bro", 37}) catch |_| {
+	io.print(io.stdout(init.io), "hello {s} {d}\n", {"bro", 37}) catch |_| {
 		return
 	}
 }