notedown_ast 0.14.5

Notedown Abstract Syntax Tree
Documentation 
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use super::*;

impl Mul for Value {
    type Output = Result<Self>;
    // a * b
    fn mul(self, other: Self) -> Self::Output {
        let msg = format!("Can not apply `*` on lhs: {}, rhs: {}", self.get_type_name(), other.get_type_name());
        let type_mismatch = Err(NoteError::type_mismatch(msg));
        let out = match (self, other) {
            (Self::Integer(lhs), Self::Integer(rhs)) => Self::Integer(lhs * rhs),
            (Self::Integer(lhs), Self::Decimal(rhs)) | (Self::Decimal(rhs), Self::Integer(lhs)) => match lhs.to_f64() {
                Some(s) => Self::Decimal(s * rhs),
                None => return fail_int2dec(lhs),
            },
            (Self::Decimal(lhs), Self::Decimal(rhs)) => Self::Decimal(lhs * rhs),
            _ => return type_mismatch,
        };
        return Ok(out);
    }
}

impl Div for Value {
    type Output = Result<Self>;

    fn div(self, other: Self) -> Self::Output {
        let msg = format!("Can not apply `/` on lhs: {}, rhs: {}", self.get_type_name(), other.get_type_name());
        let type_mismatch = Err(NoteError::type_mismatch(msg));
        let out = match (self, other) {
            (Self::Integer(lhs), Self::Integer(rhs)) => Self::Integer(lhs / rhs),
            (Self::Integer(lhs), Self::Decimal(rhs)) | (Self::Decimal(rhs), Self::Integer(lhs)) => match lhs.to_f64() {
                Some(s) => Self::Decimal(s / rhs),
                None => return fail_int2dec(lhs),
            },
            (Self::Decimal(lhs), Self::Decimal(rhs)) => Self::Decimal(lhs / rhs),
            _ => return type_mismatch,
        };
        return Ok(out);
    }
}