decimalLiteral method
Implementation
Parser<ConstantNode> decimalLiteral() =>
(digit() & (digit() | char('_')).star()).flatten().map(
(s) => ConstantNode(int.parse(s.replaceAll('_', ''))),
);
Parser<ConstantNode> decimalLiteral() =>
(digit() & (digit() | char('_')).star()).flatten().map(
(s) => ConstantNode(int.parse(s.replaceAll('_', ''))),
);