Function envmnt::evaluate_and_load_file

pub fn evaluate_and_load_file<F>(
    file: &str, 
    evaluate: F
) -> Result<(), EnvmntError> where
    F: Fn(String) -> String, 

Parses the provided env file and loads all environment variables.

Arguments

• file - The file path to load and parse
• evaluate - Evalute function which will modify the read value before it is loaded into the environment

Example

extern crate envmnt;

fn main() {
    let eval_env = |value: String| {
        let mut buffer = String::from("PREFIX-");
        buffer.push_str(&value);
        buffer
    };

    let output = envmnt::evaluate_and_load_file("./src/test/var.env", eval_env);

    assert!(output.is_ok());
}