Macro libmake::extract_param

macro_rules! extract_param {
    ($matches:expr, $name:expr) => { ... };
}

Extracts a parameter from a Matches object.

This macro takes two arguments: $matches and $name. It attempts to retrieve the value associated with $name from the $matches object. If the value is found and is of type String, it returns a Some variant containing a cloned copy of the value. Otherwise, it returns None.

Arguments

• $matches - A Matches object that contains the parameter values.
• $name - The name of the parameter to extract.

Returns

A Option<String> containing the extracted parameter value, or None if the parameter is not found or is not of type String.