use ::parser::*;
named!(pub parse_literal<NomSpan, Expression>,
alt!(
parse_int_literal
)
);
named!(parse_int_literal<NomSpan, Expression>,
do_parse!(
ws0 >>
literal: recognize!(many1!(one_of!("1234567890"))) >>
ws0 >>
(Expression::Literal(LiteralExpression {
span: Span::from_nom_span(&literal),
value: literal.fragment.to_string(),
literal_expression_type: LiteralType::Int,
})))
);