private static IParser <Rt.IExpression> Binary(
string name,
Runtime.BinaryOperator op,
IParser <Rt.IExpression> innerL,
IParser <Rt.IExpression> innerR)
{
return(innerL
.AndIgnore(C.Expect(name))
.AndIgnore(Whitespace)
.And(innerR)
.Map(args => (Rt.IExpression) new Rt.BinaryExpression
{
Op = op,
Left = args.Item1,
Right = args.Item2,
}));
}