core/version/6.0.0/module/Stream).\\n\\n## String rewrite\\n\\nThe `String` module has been rewritten so that all functions, unless otherwise noted, deal with code points as opposed\\nto character units. Code points is a variable sized representation of a unicode character, consisting of 1 or 2 character units.\\nThis change makes it less likely that you'll unintentionally operate on half a character, at cost of performance for certain\\noperations.\\n\\nOn top of that, some functions have been introduce an