docs: update example/remove unused code

README.md

@@ -177,17 +177,20 @@ returns a `ParselyResult<U>` where U is `ParselyWrite`.
 <details>
   <summary>Click to expand</summary>
 
-This (quite contrived) example has a boolean field but reads a u1 from the
+This example has a String field but reads a u8 from the
 buffer and converts it.  On write it does the opposite.  
 
 ```rust
+use parsely_rs::*;
+
 #[derive(ParselyRead, ParselyWrite)]
 struct Foo {
-    #[parsely_read(map = "|v: u1| -> ParselyResult<bool> { Ok(v > 0) }")]
-    #[parsely_write(map = "|v: &bool| -> ParselyResult<u1> { Ok(u1::from(*v)) }")]
-    one: bool,
+    // Closures can return a raw value...
+    #[parsely_read(map = "|v: u8| { v.to_string() }")]
+    // ...or a Result<T, E> as long as E: Into<anyhow::Error>
+    #[parsely_write(map = "|v: &str| { v.parse::<u8>() }")]
+    value: String,
 }
-
 ```
 
 </details>

impl/src/lib.rs

@@ -36,8 +36,6 @@ use syn_helpers::TypeExts;
 pub fn derive_parsely_read(item: TokenStream) -> std::result::Result<TokenStream, syn::Error> {
     let ast: DeriveInput = syn::parse2(item)?;
     let data = ParselyReadData::from_derive_input(&ast)?;
-    // eprintln!("parsely_read data = {data:#?}");
-    // eprintln!("HELLO, WORLD, item = {ast:#?}");
 
     Ok(generate_parsely_read_impl(data))
 }
@@ -46,8 +44,6 @@ pub fn derive_parsely_read(item: TokenStream) -> std::result::Result<TokenStream
 pub fn derive_parsely_write(item: TokenStream) -> std::result::Result<TokenStream, syn::Error> {
     let ast: DeriveInput = syn::parse2(item)?;
     let data = ParselyWriteData::from_derive_input(&ast)?;
-    // eprintln!("parsely_write data = {data:#?}");
-    // eprintln!("HELLO, WORLD, item = {ast:#?}");
 
     Ok(generate_parsely_write_impl(data))
 }