Attribute Macro fp_export_impl 

#[fp_export_impl]

Exports an implementation of a specific provider function

Example usage of implementing a log function of a logger provider:

use fp_bindgen_macros::fp_export_impl; //this would be `logger::fp_export_impl` inside the plugin crate
#[fp_export_impl(logger)]
pub fn log(msg: String, foo: String) -> String {
    format!("{} + {} => {0}{1}", msg, foo)
}