Rust' Path usage example

model.rs

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

struct Model {
    u: f32,
}

fn texture_fname(path: &Path) -> PathBuf {
    let fullname = format!("{}{}", path.file_stem().unwrap().to_str().unwrap(), "_diffuse");

    let mut buf = PathBuf::from(path);
    buf.set_file_name(fullname);
    buf.set_extension("tga");
    buf
}

impl Model {
    fn new(texture_path: &Path) -> Model {
        let texture_path = texture_fname(texture_path);

        println!("path: {:?}", texture_path.as_path());
        // outputs 'path: "/tmp/models/african_head_diffuse.tga"'
        Model{ u: 1.0 }
    }
}

fn main() {
    let model = Model::new(Path::new("/tmp/models/african_head.obj"));
}