fix: now use std::io::Write for bounds instead of std::fmt::Write

Cargo.toml

@@ -1,11 +1,11 @@
 [package]
-name = "xml-builder"
-version = "0.5.2"
-authors = ["LIAUD Corentin <[email protected]>"]
+authors = ["LIAUD Corentin <[email protected]>"]
+categories = ["data-structures"]
 description = "Easy and highly-configurable XML builder/writer"
+edition = "2021"
 keywords = ["xml"]
-categories = ["data-structures"]
-readme = "README.md"
 license = "MIT"
-edition = "2021"
-repository = "https://github.com/cocool97/xml-builder"
+name = "xml-builder"
+readme = "README.md"
+repository = "https://github.com/cocool97/xml-builder"
+version = "0.5.3"

README.md

@@ -5,7 +5,7 @@
 [![dependency status](https://deps.rs/repo/github/cocool97/xml-builder/status.svg)](https://deps.rs/repo/github/cocool97/xml-builder)
 [![codecov](https://codecov.io/gh/cocool97/xml-builder/branch/master/graph/badge.svg?token=2PMZ6D9E5M)](https://codecov.io/gh/cocool97/xml-builder)
 
-This crate allows you to easily create an XML file in a short time by building a highly-configurable object tree. 
+This crate allows you to easily create an XML file in a short time by building a highly-configurable object tree.
 
 ## Main advantages
 
@@ -40,28 +40,25 @@ xml-builder = "*"
 ```rust
 use xml_builder::{XMLBuilder, XMLElement, XMLVersion};
 
-fn main() {
-    let mut xml = XMLBuilder::new()
-        .version(XMLVersion::XML1_1)
-        .encoding("UTF-8".into())
-        .build();
+let mut xml = XMLBuilder::new()
+    .version(XMLVersion::XML1_1)
+    .encoding("UTF-8".into())
+    .build();
 
-    let mut house = XMLElement::new("house");
-    house.add_attribute("rooms", "2");
+let mut house = XMLElement::new("house");
+house.add_attribute("rooms", "2");
 
-    for i in 1..=2 {
-        let mut room = XMLElement::new("room");
-        room.add_attribute("number", &i.to_string());
-        room.add_text(format!("This is room number {}", i)).unwrap();
-
-        house.add_child(room).unwrap();
-    }
+for i in 1..=2 {
+    let mut room = XMLElement::new("room");
+    room.add_attribute("number", &i.to_string());
+    room.add_text(format!("This is room number {}", i)).unwrap();
+    house.add_child(room).unwrap();
+}
 
-    xml.set_root_element(house);
+xml.set_root_element(house);
 
-    let mut writer: Vec<u8> = Vec::new();
-    xml.generate(&mut writer).unwrap();
-}
+let mut writer: Vec<u8> = Vec::new();
+xml.generate(&mut writer).unwrap();
 ```
 
 This following XML content will then be displayed:
@@ -72,4 +69,4 @@ This following XML content will then be displayed:
         <room number="1" price="42">This is room number 1</room>
         <room number="2" price="84">This is room number 2</room>
 </house>
-```
+```

src/xml.rs

@@ -75,9 +75,7 @@ impl XML {
         writeln!(
             writer,
             r#"<?xml version="{}" encoding="{}"{}?>"#,
-            self.version.to_string(),
-            self.encoding,
-            standalone_attribute
+            self.version, self.encoding, standalone_attribute
         )?;
 
         // And then XML elements if present...

src/xmlversion.rs

@@ -7,12 +7,11 @@ pub enum XMLVersion {
     XML1_1,
 }
 
-impl ToString for XMLVersion {
-    /// Converts the XMLVersion enum value into a string usable in the XML document
-    fn to_string(&self) -> String {
+impl std::fmt::Display for XMLVersion {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
-            XMLVersion::XML1_0 => "1.0".into(),
-            XMLVersion::XML1_1 => "1.1".into(),
+            XMLVersion::XML1_0 => write!(f, "1.0"),
+            XMLVersion::XML1_1 => write!(f, "1.1"),
         }
     }
 }