Remove #[allow(unused)] from helix-core, and fix unused imports.

Still a bunch more warnings to fix in core, but it's a start.

helix-core/src/history.rs

@@ -1,7 +1,6 @@
 use crate::{ChangeSet, Rope, State, Transaction};
 use once_cell::sync::Lazy;
 use regex::Regex;
-use smallvec::{smallvec, SmallVec};
 use std::num::NonZeroUsize;
 use std::time::{Duration, Instant};
 

helix-core/src/indent.rs

@@ -1,8 +1,8 @@
 use crate::{
     find_first_non_whitespace_char,
     syntax::{IndentQuery, LanguageConfiguration, Syntax},
-    tree_sitter::{Node, Tree},
+    tree_sitter::Node,
-    Rope, RopeSlice,
+    RopeSlice,
 };
 
 /// To determine indentation of a newly inserted line, figure out the indentation at the last col
@@ -150,6 +150,7 @@ pub fn suggested_indent_for_pos(
 #[cfg(test)]
 mod test {
     use super::*;
+    use crate::Rope;
 
     #[test]
     fn test_indent_level() {

helix-core/src/lib.rs

@@ -1,4 +1,3 @@
-#![allow(unused)]
 pub mod auto_pairs;
 pub mod chars;
 pub mod comment;

helix-core/src/line_ending.rs

@@ -1,4 +1,4 @@
-use crate::{Rope, RopeGraphemes, RopeSlice};
+use crate::{Rope, RopeSlice};
 
 #[cfg(target_os = "windows")]
 pub const DEFAULT_LINE_ENDING: LineEnding = LineEnding::Crlf;

helix-core/src/match_brackets.rs

@@ -1,4 +1,4 @@
-use crate::{Range, Rope, Selection, Syntax};
+use crate::{Rope, Syntax};
 
 const PAIRS: &[(char, char)] = &[('(', ')'), ('{', '}'), ('[', ']'), ('<', '>')];
 // limit matching pairs to only ( ) { } [ ] < >

helix-core/src/movement.rs

@@ -1,12 +1,9 @@
-use std::iter::{self, from_fn, Peekable, SkipWhile};
+use std::iter::{self, from_fn};
 
 use ropey::iter::Chars;
 
 use crate::{
-    chars::{
+    chars::{categorize_char, char_is_line_ending, CharCategory},
-        categorize_char, char_is_line_ending, char_is_punctuation, char_is_whitespace,
-        char_is_word, CharCategory,
-    },
     coords_at_pos,
     graphemes::{nth_next_grapheme_boundary, nth_prev_grapheme_boundary},
     line_ending::{get_line_ending, line_end_char_index},
@@ -270,20 +267,20 @@ fn reached_target(target: WordMotionTarget, peek: char, next_peek: Option<&char>
 
     match target {
         WordMotionTarget::NextWordStart => {
-            (is_word_boundary(peek, *next_peek)
+            is_word_boundary(peek, *next_peek)
-                && (char_is_line_ending(*next_peek) || !next_peek.is_whitespace()))
+                && (char_is_line_ending(*next_peek) || !next_peek.is_whitespace())
         }
         WordMotionTarget::NextWordEnd | WordMotionTarget::PrevWordStart => {
-            (is_word_boundary(peek, *next_peek)
+            is_word_boundary(peek, *next_peek)
-                && (!peek.is_whitespace() || char_is_line_ending(*next_peek)))
+                && (!peek.is_whitespace() || char_is_line_ending(*next_peek))
         }
         WordMotionTarget::NextLongWordStart => {
-            (is_long_word_boundary(peek, *next_peek)
+            is_long_word_boundary(peek, *next_peek)
-                && (char_is_line_ending(*next_peek) || !next_peek.is_whitespace()))
+                && (char_is_line_ending(*next_peek) || !next_peek.is_whitespace())
         }
         WordMotionTarget::NextLongWordEnd | WordMotionTarget::PrevLongWordStart => {
-            (is_long_word_boundary(peek, *next_peek)
+            is_long_word_boundary(peek, *next_peek)
-                && (!peek.is_whitespace() || char_is_line_ending(*next_peek)))
+                && (!peek.is_whitespace() || char_is_line_ending(*next_peek))
         }
     }
 }

helix-core/src/object.rs

@@ -1,5 +1,4 @@
 use crate::{Range, RopeSlice, Selection, Syntax};
-use smallvec::smallvec;
 
 // TODO: to contract_selection we'd need to store the previous ranges before expand.
 // Maybe just contract to the first child node?

helix-core/src/position.rs

@@ -1,7 +1,7 @@
 use crate::{
     chars::char_is_line_ending,
     graphemes::{nth_next_grapheme_boundary, RopeGraphemes},
-    Rope, RopeSlice,
+    RopeSlice,
 };
 
 /// Represents a single point in a text buffer. Zero indexed.
@@ -70,6 +70,7 @@ pub fn pos_at_coords(text: RopeSlice, coords: Position) -> usize {
 #[cfg(test)]
 mod test {
     use super::*;
+    use crate::Rope;
 
     #[test]
     fn test_ordering() {

helix-core/src/selection.rs

@@ -2,7 +2,7 @@
 //! single selection range.
 //!
 //! All positioning is done via `char` offsets into the buffer.
-use crate::{Assoc, ChangeSet, Rope, RopeSlice};
+use crate::{Assoc, ChangeSet, RopeSlice};
 use smallvec::{smallvec, SmallVec};
 use std::borrow::Cow;
 
@@ -406,6 +406,7 @@ pub fn split_on_matches(
 #[cfg(test)]
 mod test {
     use super::*;
+    use crate::Rope;
 
     #[test]
     #[should_panic]

helix-core/src/syntax.rs

@@ -1,4 +1,10 @@
-use crate::{chars::char_is_line_ending, regex::Regex, Change, Rope, RopeSlice, Transaction};
+use crate::{
+    chars::char_is_line_ending,
+    regex::Regex,
+    transaction::{ChangeSet, Operation},
+    Rope, RopeSlice, Tendril,
+};
+
 pub use helix_syntax::{get_language, get_language_name, Lang};
 
 use arc_swap::ArcSwap;
@@ -8,7 +14,7 @@ use std::{
     cell::RefCell,
     collections::{HashMap, HashSet},
     fmt,
-    path::{Path, PathBuf},
+    path::Path,
     sync::Arc,
 };
 
@@ -473,12 +479,6 @@ pub struct LanguageLayer {
     pub(crate) tree: Option<Tree>,
 }
 
-use crate::{
-    coords_at_pos,
-    transaction::{ChangeSet, Operation},
-    Tendril,
-};
-
 impl LanguageLayer {
     // pub fn new() -> Self {
     //     Self { tree: None }
@@ -1776,8 +1776,13 @@ impl<I: Iterator<Item = HighlightEvent>> Iterator for Merge<I> {
     }
 }
 
-#[test]
+#[cfg(test)]
-fn test_parser() {
+mod test {
+    use super::*;
+    use crate::{Rope, Transaction};
+
+    #[test]
+    fn test_parser() {
         let highlight_names: Vec<String> = [
             "attribute",
             "constant",
@@ -1841,10 +1846,10 @@ fn test_parser() {
 
         let struct_node = root.child(0).unwrap();
         assert_eq!(struct_node.kind(), "struct_item");
-}
+    }
 
-#[test]
+    #[test]
-fn test_input_edits() {
+    fn test_input_edits() {
         use crate::State;
         use tree_sitter::InputEdit;
 
@@ -1897,14 +1902,15 @@ fn test_input_edits() {
                 new_end_position: Point { row: 0, column: 14 }
             }]
         );
-}
+    }
 
-#[test]
+    #[test]
-fn test_load_runtime_file() {
+    fn test_load_runtime_file() {
         // Test to make sure we can load some data from the runtime directory.
         let contents = load_runtime_file("rust", "indents.toml").unwrap();
         assert!(!contents.is_empty());
 
         let results = load_runtime_file("rust", "does-not-exist");
         assert!(results.is_err());
+    }
 }

helix-core/src/transaction.rs

@@ -1,5 +1,5 @@
-use crate::{Range, Rope, Selection, State, Tendril};
+use crate::{Range, Rope, Selection, Tendril};
-use std::{borrow::Cow, convert::TryFrom};
+use std::borrow::Cow;
 
 /// (from, to, replacement)
 pub type Change = (usize, usize, Option<Tendril>);
@@ -581,6 +581,7 @@ impl<'a> Iterator for ChangeIterator<'a> {
 #[cfg(test)]
 mod test {
     use super::*;
+    use crate::State;
 
     #[test]
     fn composition() {