Start working on a cache solution. Keep the html, so I can test with parsing in a more controlled way.

src/main.rs

@@ -1,9 +1,10 @@
 use std::env;
 
+use directories::ProjectDirs;
 use scraper::{Html, Selector};
 
 trait Probe {
-    fn search(&mut self, number: &str);
+    fn search(&mut self, _: &str);
 }
 
 // https://www.hitta.se/vem-ringde/{}
@@ -63,7 +64,33 @@ impl Probe for KonsumentInfo {
     fn search(&mut self, _: &str) {}
 }
 
+struct Context {
+    dirs: ProjectDirs,
+}
+
+impl Context {
+    fn new() -> Context {
+        Context {
+            dirs: ProjectDirs::from("com", "logaritmisk", "whoareyou").unwrap(),
+        }
+    }
+
+    fn cache_get(&mut self, key: &str) -> Option<Vec<u8>> {
+        None
+    }
+
+    fn cache_set(&mut self, key: &str) {
+
+    }
+}
+
 fn main() {
+    if let Some(proj_dirs) = ProjectDirs::from("com", "logaritmisk", "whoareyou") {
+        println!("{:?}", proj_dirs.cache_dir());
+    }
+
+    std::process::exit(0);
+
     let number = env::args()
         .nth(1)
         .expect("must specify a number to search for");