fn nowWasi(clock: Io.Clock) Io.Timestamp
fn nowWasi(clock: Io.Clock) Io.Timestamp { var ns: std.os.wasi.timestamp_t = undefined; const err = std.os.wasi.clock_time_get(clockToWasi(clock), 1, &ns); if (err != .SUCCESS) return .zero; return .fromNanoseconds(ns); }