ImmutableBytesFromString is equivalent to []byte(s), except that it uses the same memory backing s instead of making a heap-allocated copy.

Memmove is runtime.memmove, exported for SeqAtomicLoad/SeqAtomicTryLoad<T>.

Nanotime is runtime.nanotime.

Noescape hides a pointer from escape analysis.

Slice returns a slice whose underlying array starts at ptr an which length and capacity are len.

StringFromImmutableBytes is equivalent to string(bs), except that it uses the same memory backing bs instead of making a heap-allocated copy.