Clean up library exports and docs

core/src/editor_buffer/io.rs

@@ -3,6 +3,7 @@ use std::path::PathBuf;
 use super::{CommandResponse, EditorBuffer};
 use crate::{Point, TextBuffer, TextBufferReader, TextBufferWriter};
 
+#[doc(hidden)]
 impl EditorBuffer {
     pub fn open_file(&mut self, filepath: PathBuf) -> CommandResponse {
         match std::fs::File::open(&filepath) {

core/src/editor_buffer/mod.rs

@@ -1,6 +1,6 @@
 use std::path::PathBuf;
 
-use crate::{Point, TextBuffer, TextBufferWriter};
+use crate::{Point, TextBuffer};
 
 mod io;
 mod command;

core/src/lib.rs

@@ -1,4 +1,4 @@
 mod text_buffer;
 pub use text_buffer::{Point, TextBuffer, TextBufferReader, TextBufferWriter};
 mod editor_buffer;
-pub use editor_buffer::{Command, CommandResponse, EditorBuffer};
+pub use editor_buffer::{Command, CommandResponse, EditorBuffer, Movement, Unit};