docs: clarify UTF-8 byte indexing in string subscript and add wrenStringCodePointAt helper

2015-01-23 00:38:03 +00:00
parent 735268f620
commit 7e52e36a1c
8 changed files with 115 additions and 26 deletions
@@ -1,2 +1,5 @@
 IO.print("".count)   // expect: 0
 IO.print("a string") // expect: a string
+
+// Non-ASCII.
+IO.print("A~¶Þॐஃ") // expect: A~¶Þॐஃ