in src/main/java/com/twitter/penguin/korean/util/CharArrayMap.java [251:269]
private boolean equals(char[] text1, int off, int len, char[] text2) {
if (len != text2.length)
return false;
final int limit = off + len;
if (ignoreCase) {
for (int i = 0; i < len; ) {
final int codePointAt = charUtils.codePointAt(text1, off + i, limit);
if (Character.toLowerCase(codePointAt) != charUtils.codePointAt(text2, i, text2.length))
return false;
i += Character.charCount(codePointAt);
}
} else {
for (int i = 0; i < len; i++) {
if (text1[off + i] != text2[i])
return false;
}
}
return true;
}