use std::path::{Path, PathBuf};

pub struct Example {
    files: Vec<PathBuf>,
}

impl Example {
    pub fn new(files: impl IntoIterator<Item = impl Into<PathBuf>>) -> Self {
        Self {
            files: files.into_iter().map(Into::into).collect(),
        }
    }
}

fn main() {
    Example::new(vec!["a", "b", "c"]);
    Example::new(vec![Path::new("a"), Path::new("b")]);
    Example::new(vec![PathBuf::from("a"), PathBuf::from("b")]);
    Example::new([1, 2, 3].iter().map(|&i| format!("file{}", i)));
}