Merge pull request #12 from kakalos12/marirs-main

remove  &mut some places

Author: marirs

examples/lookup.rs

@@ -4,11 +4,7 @@ use ip2location::DB;
 
 fn main() -> Result<(), String> {
     let mut args = std::env::args().skip(1);
-    let mut db = match DB::from_file(
-        &*args
-            .next()
-            .ok_or("First argument is the path to db")?,
-    ) {
+    let db = match DB::from_file(&*args.next().ok_or("First argument is the path to db")?) {
         Ok(db) => db,
         Err(e) => {
             println!("{:?}", e);

src/common.rs

@@ -131,7 +131,7 @@ impl DB {
         }
     }
 
-    pub fn ip_lookup(&mut self, ip: IpAddr) -> Result<Record, Error> {
+    pub fn ip_lookup(&self, ip: IpAddr) -> Result<Record, Error> {
         //! Lookup for the given IPv4 or IPv6 and returns the
         //! Geo information or Proxy Information
         //!

src/tests/tests_lib.rs

@@ -6,7 +6,7 @@ const IP2PROXYBIN: &str = "data/IP2PROXY-IP-COUNTRY.BIN";
 
 #[test]
 fn test_ipv4_lookup_in_ipv4bin() -> Result<(), error::Error> {
-    let mut db = DB::from_file(IPV4BIN)?;
+    let db = DB::from_file(IPV4BIN)?;
     let record = db.ip_lookup("43.224.159.155".parse().unwrap())?;
     let record = if let Record::LocationDb(rec) = record {
         Some(rec)
@@ -23,7 +23,7 @@ fn test_ipv4_lookup_in_ipv4bin() -> Result<(), error::Error> {
 
 #[test]
 fn test_ipv4_lookup_in_ipv6bin() -> Result<(), error::Error> {
-    let mut db = DB::from_file(IPV6BIN)?;
+    let db = DB::from_file(IPV6BIN)?;
     let record = db.ip_lookup("43.224.159.155".parse().unwrap())?;
     let record = if let Record::LocationDb(rec) = record {
         Some(rec)
@@ -40,7 +40,7 @@ fn test_ipv4_lookup_in_ipv6bin() -> Result<(), error::Error> {
 
 #[test]
 fn test_ipv6_lookup() -> Result<(), error::Error> {
-    let mut db = DB::from_file(IPV6BIN)?;
+    let db = DB::from_file(IPV6BIN)?;
     let record = db.ip_lookup("2a01:b600:8001::".parse().unwrap())?;
     let record = if let Record::LocationDb(rec) = record {
         Some(rec)
@@ -68,7 +68,7 @@ fn test_err_filenotfound_location() -> Result<(), error::Error> {
 
 #[test]
 fn test_ip_lookup_in_proxy_bin() -> Result<(), error::Error> {
-    let mut db = DB::from_file(IP2PROXYBIN)?;
+    let db = DB::from_file(IP2PROXYBIN)?;
     let record = db.ip_lookup("1.1.1.1".parse().unwrap())?;
     let record = if let Record::ProxyDb(rec) = record {
         Some(rec)