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use magnus::{define_module, function, prelude::*, Error};
fn hello(subject: String) -> String {
format!("Hello from Rust, {}!", subject)
}
#[magnus::init]
fn init() -> Result<(), Error> {
let module = <%= config[:constant_array].map {|c| "define_module(#{c.dump})?"}.join(".") %>;
module.define_singleton_method("hello", function!(hello, 1))?;
Ok(())
}
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