Created
October 22, 2017 22:16
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| fn fold_op<F: Fn(f64, f64)>(input: &[u8], init: f64, f: F) -> IResult<&[u8], f64> { | |
| fold_many0!(ws!(alt!(apply!(list) | apply!(f64::from_str))), init, f) | |
| } | |
| named!(list<f64>, delimited!(tag!("("), ws!(alt!( | |
| proceed!(tag!("+"), apply!(fop, 0.0, |acc, item| acc + item)) | |
| )), tag!(")"))); |
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