fix a bunch of typos found by codespell

clippy_lints/src/excessive_precision.rs

@@ -65,7 +65,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ExcessivePrecision {
 }
 
 impl ExcessivePrecision {
-    // None if nothing to lint, Some(suggestion) if lint neccessary
+    // None if nothing to lint, Some(suggestion) if lint necessary
     fn check(&self, sym: Symbol, fty: FloatTy) -> Option<String> {
         let max = max_digits(fty);
         let sym_str = sym.as_str();

clippy_lints/src/loops.rs

@@ -2217,7 +2217,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarCollectorVisitor<'a, 'tcx> {
     fn visit_expr(&mut self, ex: &'tcx Expr) {
         match ex.node {
             ExprKind::Path(_) => self.insert_def_id(ex),
-            // If there is any fuction/method call… we just stop analysis
+            // If there is any function/method call… we just stop analysis
             ExprKind::Call(..) | ExprKind::MethodCall(..) => self.skip = true,
 
             _ => walk_expr(self, ex),

clippy_lints/src/matches.rs

@@ -383,7 +383,7 @@ fn check_wild_err_arm(cx: &LateContext<'_, '_>, ex: &Expr, arms: &[Arm]) {
                                            arm.pats[0].span,
                                            "Err(_) will match all errors, maybe not a good idea",
                                            arm.pats[0].span,
-                                           "to remove this warning, match each error seperately \
+                                           "to remove this warning, match each error separately \
                                             or use unreachable macro");
                     }
                 }

clippy_lints/src/neg_cmp_op_on_partial_ord.rs

@@ -11,7 +11,7 @@ use crate::utils::{self, paths, span_lint};
 ///
 /// **Why is this bad?**
 /// These operators make it easy to forget that the underlying types actually allow not only three
-/// potential Orderings (Less, Equal, Greater) but also a forth one (Uncomparable). This is
+/// potential Orderings (Less, Equal, Greater) but also a fourth one (Uncomparable). This is
 /// especially easy to miss if the operator based comparison result is negated.
 ///
 /// **Known problems:** None.

clippy_lints/src/types.rs

@@ -700,7 +700,7 @@ declare_clippy_lint! {
 
 /// **What it does:** Checks for casts of a function pointer to a numeric type not enough to store address.
 ///
-/// **Why is this bad?** Casting a function pointer to not eligable type could truncate the address value.
+/// **Why is this bad?** Casting a function pointer to not eligible type could truncate the address value.
 ///
 /// **Known problems:** None.
 ///

clippy_lints/src/utils/sugg.rs

@@ -334,7 +334,7 @@ pub fn make_assoc(op: AssocOp, lhs: &Sugg<'_>, rhs: &Sugg<'_>) -> Sugg<'static>
     Sugg::BinOp(op, sugg.into())
 }
 
-/// Convinience wrapper arround `make_assoc` and `AssocOp::from_ast_binop`.
+/// Convenience wrapper around `make_assoc` and `AssocOp::from_ast_binop`.
 pub fn make_binop(op: ast::BinOpKind, lhs: &Sugg<'_>, rhs: &Sugg<'_>) -> Sugg<'static> {
     make_assoc(AssocOp::from_ast_binop(op), lhs, rhs)
 }

tests/ui/checked_unwrap.rs

@@ -31,11 +31,11 @@ fn main() {
     if x.is_ok() {
         x = Err(());
         x.unwrap(); // not unnecessary because of mutation of x
-        // it will always panic but the lint is not smart enoguh to see this (it only checks if conditions).
+        // it will always panic but the lint is not smart enough to see this (it only checks if conditions).
     } else {
         x = Ok(());
         x.unwrap_err(); // not unnecessary because of mutation of x
-        // it will always panic but the lint is not smart enoguh to see this (it only checks if conditions).
+        // it will always panic but the lint is not smart enough to see this (it only checks if conditions).
     }
 }
 

tests/ui/for_loop.rs

@@ -389,7 +389,7 @@ fn main() {
     let m: Rc<HashMap<u64, u64>> = Rc::new(HashMap::new());
     for (_, v) in &*m {
         let _v = v;
-        // Here the `*` is not actually necesarry, but the test tests that we don't
+        // Here the `*` is not actually necessary, but the test tests that we don't
         // suggest
         // `in *m.values()` as we used to
     }

tests/ui/infinite_loop.rs

@@ -9,7 +9,7 @@ fn foob() -> bool { unimplemented!() }
 
 #[allow(many_single_char_names)]
 fn immutable_condition() {
-    // Should warn when all vars mentionned are immutable
+    // Should warn when all vars mentioned are immutable
     let y = 0;
     while y < 10 {
         println!("KO - y is immutable");
@@ -69,11 +69,11 @@ fn unused_var() {
 
     while i < 3 {
         j = 3;
-        println!("KO - i not mentionned");
+        println!("KO - i not mentioned");
     }
 
     while i < 3 && j > 0 {
-        println!("KO - i and j not mentionned");
+        println!("KO - i and j not mentioned");
     }
 
     while i < 3 {
@@ -84,7 +84,7 @@ fn unused_var() {
 
     while i < 3 && j > 0 {
         i = 5;
-        println!("OK - i in cond and mentionned");
+        println!("OK - i in cond and mentioned");
     }
 }
 

tests/ui/matches.stderr

@@ -164,7 +164,7 @@ error: Err(_) will match all errors, maybe not a good idea
     |         ^^^^^^
     |
     = note: `-D match-wild-err-arm` implied by `-D warnings`
-    = note: to remove this warning, match each error seperately or use unreachable macro
+    = note: to remove this warning, match each error separately or use unreachable macro
 
 error: this `match` has identical arm bodies
    --> $DIR/matches.rs:131:18
@@ -191,7 +191,7 @@ error: Err(_) will match all errors, maybe not a good idea
 138 |         Err(_) => {panic!()}
     |         ^^^^^^
     |
-    = note: to remove this warning, match each error seperately or use unreachable macro
+    = note: to remove this warning, match each error separately or use unreachable macro
 
 error: this `match` has identical arm bodies
    --> $DIR/matches.rs:137:18
@@ -217,7 +217,7 @@ error: Err(_) will match all errors, maybe not a good idea
 144 |         Err(_) => {panic!();}
     |         ^^^^^^
     |
-    = note: to remove this warning, match each error seperately or use unreachable macro
+    = note: to remove this warning, match each error separately or use unreachable macro
 
 error: this `match` has identical arm bodies
    --> $DIR/matches.rs:143:18

util/gh-pages/versions.html

@@ -14,7 +14,7 @@
 <body>
     <div class="container" ng-app="clippy" ng-controller="docVersions">
         <div class="page-header">
-            <h1>Clippy lints documention</h1>
+            <h1>Clippy lints documentation</h1>
         </div>
 
         <div ng-cloak>