Function convert_lit_to_number 

pub fn convert_lit_to_number(lit_num: &Lit) -> Result<f64, Error>

Helper function to convert a Lit to a number

Arguments

• lit_num - The literal to convert

Returns

• Result<f64, anyhow::Error> - The number value of the literal

Example

Input: Lit::Num(1.0)
Output: 1.0