readInt8 method
Reads an 8-bit signed integer. Increments index by 1.
Implementation
int readInt8() {
final byteData = this._byteData;
final index = this.index;
final newIndex = index + 1;
if (newIndex > byteData.lengthInBytes) {
throw _eofException(index, "int8");
}
final value = _byteData.getInt8(index);
this.index = index + 1;
return value;
}