Default fo Config

Author: burrbull

src/main.rs

@@ -82,7 +82,7 @@ fn run() -> Result<()> {
     let target = matches
         .value_of("target")
         .map(|s| Target::parse(s))
-        .unwrap_or(Ok(Target::CortexM))?;
+        .unwrap_or_else(|| Ok(Target::default()))?;
 
     let xml = &mut String::new();
     match matches.value_of("input") {

src/util.rs

@@ -13,7 +13,7 @@ pub const BITS_PER_BYTE: u32 = 8;
 /// that are not valid in Rust ident
 const BLACKLIST_CHARS: &[char] = &['(', ')', '[', ']', '/', ' ', '-'];
 
-#[derive(Clone, Copy, PartialEq)]
+#[derive(Clone, Copy, PartialEq, Default)]
 pub struct Config {
     pub target: Target,
     pub nightly: bool,
@@ -49,6 +49,12 @@ impl Target {
     }
 }
 
+impl Default for Target {
+    fn default() -> Self {
+        Self::CortexM
+    }
+}
+
 pub trait ToSanitizedPascalCase {
     fn to_sanitized_pascal_case(&self) -> Cow<str>;
 }