from

// use a function from standard library directly.
from.std.stdio.writeln("Hallo");
// assign something from standard library to a local variable.
auto _ = from.std.datetime.stopwatch.AutoStart.yes;

auto throws = false;
try {
    from.std.stdio.thisFunctionDoesNotExist("Hallo");
} catch (Exception ex) {
    throws = true;
}
try {
    from.std.stdio.thisFunctionDoesNotExist(42);
    throws = false;
} catch (Exception ex) {
    throws = true;
}

assert(throws);