rexl 0.0.4

Common Library for Rust
Documentation 
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use crate::text::load_properties_from_str;
use std::collections::HashMap;

pub const MEDIA_TYPES: &'static str = include_str!("media-types.properties");

fn mime_map() -> HashMap<String, String> {
    load_properties_from_str(MEDIA_TYPES)
}

use crate::io::ext_name;
use std::cell::RefCell;

thread_local!(
    static MIME_MAP: RefCell<HashMap<String, String>> = RefCell::new(mime_map())
);

pub fn mime_from_filename(filename: &str) -> Option<String> {
    let ext = ext_name(filename);
    MIME_MAP.with(|rc| rc.borrow().get(ext).map(|v| v.clone()))
}