Extended documentation.

src/commands/main_command.rs

@@ -42,6 +42,9 @@ impl MainArguments {
         })
     }
 
+    /// Runs the compiler on the given arguments.
+    ///
+    /// This is called from [`main`](crate::main).
     pub fn run(self) -> Result<(), String> {
         let tokens = self.lex()?;
 

src/commands/mod.rs

@@ -1,5 +1,6 @@
 //! Types and functions for providing the command line interface.
 
+#[doc(hidden)]
 macro_rules! verbose_println {
     ($args:expr, $($msg:tt),*) => {
         if $args.verbose {

src/main.rs

@@ -14,6 +14,7 @@ pub mod lexer;
 pub mod parser;
 pub mod typing;
 
+/// Parses command line arguments and runs the compiler on them.
 pub fn main() {
     let args = Arguments::parse();
     let args = MainArguments::new(args);