peek method
Implementation
LatexToken? peek([int offset = 0]) {
final pos = _position + offset;
return (pos >= 0 && pos < _tokens.length) ? _tokens[pos] : null;
}
LatexToken? peek([int offset = 0]) {
final pos = _position + offset;
return (pos >= 0 && pos < _tokens.length) ? _tokens[pos] : null;
}