remove util submod

src/agent.rs

@@ -3,7 +3,6 @@ use std::str::FromStr;
 use std::sync::Mutex;
 
 use header::{add_header, Header};
-use util::*;
 
 // to get to share private fields
 include!("request.rs");
@@ -270,6 +269,29 @@ impl Agent {
     }
 }
 
+
+fn basic_auth(user: &str, pass: &str) -> String {
+    let safe = match user.find(":") {
+        Some(idx) => &user[..idx],
+        None => user,
+    };
+    ::base64::encode(&format!("{}:{}", safe, pass))
+}
+
+
+fn mime_of<S: Into<String>>(s: S) -> String {
+    let s = s.into();
+    match &s[..] {
+        "json" => "application/json",
+        "form" => "application/x-www-form-urlencoded",
+        _ => match ::mime_guess::get_mime_type_str(&s) {
+            Some(mime) => mime,
+            None => "foo",
+        },
+    }.to_string()
+}
+
+
 #[cfg(test)]
 mod tests {
     use super::*;