Function rte::parse

pub fn parse(exp: &str) -> Result<Expression, Error>

parse expression string to ast, then you can use any time library to transform moment. check the doc at https://github.com/Frezc/relative-time-expression

Examples

use rte::*;
let ast = parse("+ M\\M");
assert_eq!(ast.unwrap(), Expression {
   r#type: "Expression".to_string(),
   start: 0,
   end: 5,
   body: vec![
     Manipulation::Offset {
       r#type: "Offset".to_string(),
       op: "+".to_string(),
       number: 1,
       unit: "M".to_string(),
       start: 0,
       end: 3,
     },
     Manipulation::Period {
       r#type: "Period".to_string(),
       op: "\\".to_string(),
       unit: "M".to_string(),
       start: 3,
      end: 5,
     }
   ],
 });