import { now } from wasi:clocks/monotonic-clock;
import { level, log } from wasi:logging/logging;
import foo as bar: func(a: string) -> string;
let max-nanos: u64 = 1000000;
export func foo(a: string) -> string {
let start = now();
let res = bar(a);
let end = now();
if end - start > max-nanos {
log(level::warn, "profiling", "Calling foo took a long time");
}
return res;
}