public T value()
{
Bomb.unless(isAlive(), () => "tried to access GC'd value of a weakReference");
return((T)reference.Target);
}
public static T penultimate <T>(IList <T> ts)
{
Bomb.unless(ts.Count >= 2, () => "no penultimate in " + toShortString(ts));
return(ts[ts.Count - 2]);
}
public static T the <T>(IList <T> ts)
{
Bomb.unless(ts.Count == 1, () => "ts does not have exactly 1 element. has: " + ts.Count + " elements.\n" + toShortString(ts));
return(ts[0]);
}
static void requireNonEmpty <T>(IList <T> ts)
{
Bomb.when(Bomb.ifNull(ts, () => "null ts!").Count < 1, () => "empty list passed to requireNonEmpty");
}
long bytesUsed()
{
Bomb.when(started, () => "eek! in the middle of an operation");
return(totalMemoryUsed);
}
public static long bytesUsed(string s)
{
Bomb.unless(memory, () => "can't ask for bytes used, not recording memory data.");
return(get(s).bytesUsed());
}