(module
  (import "console" "log" (func $log (param i32)))
  (func $main
    ;; load two values onto the stack
    i32.const 10
    i32.const 20

    ;; drop the top item from the stack (`20`)
    drop

    call $log ;; log the top value on the stack (`10`)
  )
  (start $main)
)

const url = '{%wasm-url%}';
await WebAssembly.instantiateStreaming(fetch(url), { console });