author | wenzelm |
Mon, 25 Mar 2019 16:45:08 +0100 | |
changeset 69980 | f2e3adfd916f |
parent 65196 | e8760a98db78 |
child 71933 | aec0f7b58cc6 |
permissions | -rw-r--r-- |
/* Title: Pure/General/codepoint.scala Author: Makarius Unicode codepoints vs. Unicode string encoding. */ package isabelle object Codepoint { def string(c: Int): String = new String(Array(c), 0, 1) def iterator(s: String): Iterator[Int] = new Iterator[Int] { var offset = 0 def hasNext: Boolean = offset < s.length def next: Int = { val c = s.codePointAt(offset) offset += Character.charCount(c) c } } def length(s: String): Int = iterator(s).length }