Cleanup imports

Author: magurotuna

clippy_lints/src/transmute/crosspointer_transmute.rs

@@ -2,8 +2,7 @@ use super::CROSSPOINTER_TRANSMUTE;
 use crate::utils::span_lint;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `crosspointer_transmute` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/mod.rs

@@ -12,19 +12,11 @@ mod useless_transmute;
 mod utils;
 mod wrong_transmute;
 
-use utils::*;
-
-use crate::utils::{
-    in_constant, match_def_path, paths, snippet, span_lint, span_lint_and_sugg, span_lint_and_then, sugg,
-};
+use crate::utils::{in_constant, match_def_path, paths};
 use if_chain::if_chain;
-use rustc_ast as ast;
-use rustc_errors::Applicability;
-use rustc_hir::{Expr, ExprKind, Mutability, UnOp};
+use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
-use rustc_middle::ty;
 use rustc_session::{declare_lint_pass, declare_tool_lint};
-use std::borrow::Cow;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for transmutes that can't ever be correct on any

clippy_lints/src/transmute/transmute_float_to_int.rs

@@ -5,8 +5,7 @@ use rustc_ast as ast;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, UnOp};
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_float_to_int` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/transmute_int_to_bool.rs

@@ -4,8 +4,7 @@ use rustc_ast as ast;
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 use std::borrow::Cow;
 
 /// Checks for `transmute_int_to_bool` lint.

clippy_lints/src/transmute/transmute_int_to_char.rs

@@ -4,8 +4,7 @@ use rustc_ast as ast;
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_int_to_char` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/transmute_int_to_float.rs

@@ -3,8 +3,7 @@ use crate::utils::{span_lint_and_then, sugg};
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_int_to_float` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/transmute_ptr_to_ptr.rs

@@ -3,8 +3,7 @@ use crate::utils::{span_lint_and_then, sugg};
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_ptr_to_ptr` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/transmute_ptr_to_ref.rs

@@ -4,8 +4,7 @@ use crate::utils::{span_lint_and_then, sugg};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, Mutability, QPath};
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_ptr_to_ref` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.

clippy_lints/src/transmute/transmute_ref_to_ref.rs

@@ -4,8 +4,7 @@ use if_chain::if_chain;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, Mutability};
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 /// Checks for `transmute_bytes_to_str` and `transmute_ptr_to_ptr` lints.
 /// Returns `true` if either one triggered, otherwise returns `false`.

clippy_lints/src/transmute/unsound_collection_transmute.rs

@@ -3,8 +3,7 @@ use super::UNSOUND_COLLECTION_TRANSMUTE;
 use crate::utils::{match_def_path, paths, span_lint};
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_middle::ty;
-use rustc_middle::ty::Ty;
+use rustc_middle::ty::{self, Ty};
 
 // used to check for UNSOUND_COLLECTION_TRANSMUTE
 static COLLECTIONS: &[&[&str]] = &[