| Parameter | Description |
|---|---|
| fs | A string to read. |
| index | A reference to an index in bytes (not characters). Incremented by 1 to 4 depending upon the UTF-8 encoded size of the character read. |
Rune
The character (as a Unicode.Rune) which starts at the byte index. Returns Unicode.BadRune
if the byte(s) at the index do not form a valid UTF-8 encoded character.
Returns the Unicode.Rune at an index of this string. Increments the index to the position of the next character.