[Crate] Add formatting (#22)

* chore: add standard for formatting

* chore: manually tidy up imports and format

* chore: remove vscode and add to gitignore

* chore: alphabetically order and fix

* chore: format

* chore: fix format issue with payload

* chore: format as merge had unformatted code

* [format] Fix comments, change max width and binop operator

---------

Co-authored-by: CosminPerRam <cosmin.p@live.com>

src/utils.rs

@@ -1,39 +1,41 @@
-use std::cmp::Ordering;
-use crate::GDResult;
-use crate::GDError::{PacketOverflow, PacketUnderflow};
-
-pub fn error_by_expected_size(expected: usize, size: usize) -> GDResult<()> {
-    match size.cmp(&expected) {
-        Ordering::Greater => Err(PacketOverflow),
-        Ordering::Less => Err(PacketUnderflow),
-        Ordering::Equal => Ok(())
-    }
-}
-
-pub fn address_and_port_as_string(address: &str, port: u16) -> String {
-    format!("{}:{}", address, port)
-}
-
-pub fn u8_lower_upper(n: u8) -> (u8, u8) {
-    (n & 15, n >> 4)
-}
-
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn address_and_port_as_string() {
-        assert_eq!(super::address_and_port_as_string("192.168.0.1", 27015), "192.168.0.1:27015");
-    }
-
-    #[test]
-    fn u8_lower_upper() {
-        assert_eq!(super::u8_lower_upper(171), (11, 10));
-    }
-
-    #[test]
-    fn error_by_expected_size() {
-        assert!(super::error_by_expected_size(69, 69).is_ok());
-        assert!(super::error_by_expected_size(69, 68).is_err());
-        assert!(super::error_by_expected_size(69, 70).is_err());
-    }
-}
+use crate::{
+    GDError::{PacketOverflow, PacketUnderflow},
+    GDResult,
+};
+
+use std::cmp::Ordering;
+
+pub fn error_by_expected_size(expected: usize, size: usize) -> GDResult<()> {
+    match size.cmp(&expected) {
+        Ordering::Greater => Err(PacketOverflow),
+        Ordering::Less => Err(PacketUnderflow),
+        Ordering::Equal => Ok(()),
+    }
+}
+
+pub fn address_and_port_as_string(address: &str, port: u16) -> String { format!("{}:{}", address, port) }
+
+pub fn u8_lower_upper(n: u8) -> (u8, u8) { (n & 15, n >> 4) }
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn address_and_port_as_string() {
+        assert_eq!(
+            super::address_and_port_as_string("192.168.0.1", 27015),
+            "192.168.0.1:27015"
+        );
+    }
+
+    #[test]
+    fn u8_lower_upper() {
+        assert_eq!(super::u8_lower_upper(171), (11, 10));
+    }
+
+    #[test]
+    fn error_by_expected_size() {
+        assert!(super::error_by_expected_size(69, 69).is_ok());
+        assert!(super::error_by_expected_size(69, 68).is_err());
+        assert!(super::error_by_expected_size(69, 70).is_err());
+    }
+}