Use ConstExt in clippy

Author: Jamesbarford

src/tools/clippy/clippy_lints/src/indexing_slicing.rs

@@ -6,6 +6,7 @@ use clippy_utils::{higher, is_from_proc_macro, is_in_test, sym};
 use rustc_ast::ast::RangeLimits;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass, impl_lint_pass};
+use rustc_middle::ty::consts::ConstExt;
 use rustc_middle::ty::{self, Ty};
 
 declare_clippy_lint! {

src/tools/clippy/clippy_lints/src/large_const_arrays.rs

@@ -5,6 +5,7 @@ use rustc_hir::{Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass, impl_lint_pass};
 use rustc_middle::ty::layout::LayoutOf as _;
 use rustc_middle::ty::{self, Ty, Unnormalized};
+use rustc_middle::ty::consts::ConstExt;
 use rustc_span::{BytePos, Pos as _, Span};
 
 declare_clippy_lint! {

src/tools/clippy/clippy_lints/src/large_stack_arrays.rs

@@ -10,6 +10,7 @@ use rustc_lint::{LateContext, LateLintPass, impl_lint_pass};
 use rustc_middle::ty;
 use rustc_middle::ty::layout::LayoutOf as _;
 use rustc_span::Span;
+use rustc_middle::ty::consts::ConstExt;
 
 declare_clippy_lint! {
     /// ### What it does

src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs

@@ -14,6 +14,7 @@ use rustc_hir::{Expr, Mutability};
 use rustc_lint::LateContext;
 use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability};
 use rustc_middle::ty::{self, EarlyBinder, Ty};
+use rustc_middle::ty::consts::ConstExt;
 
 pub(super) fn check(
     cx: &LateContext<'_>,

src/tools/clippy/clippy_lints/src/loops/manual_memcpy.rs

@@ -13,6 +13,7 @@ use rustc_hir::{BinOpKind, Block, Expr, ExprKind, HirId, Pat, PatKind, StmtKind}
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, Ty};
 use rustc_span::symbol::sym;
+use rustc_middle::ty::consts::ConstExt;
 use std::fmt::Display;
 
 /// Checks for `for` loops that sequentially copy items from one slice-like

src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs

@@ -15,6 +15,7 @@ use rustc_hir::intravisit::{Visitor, walk_expr};
 use rustc_hir::{BinOpKind, BorrowKind, Closure, Expr, ExprKind, HirId, Mutability, Pat, PatKind, QPath};
 use rustc_lint::LateContext;
 use rustc_middle::middle::region;
+use rustc_middle::ty::consts::ConstExt;
 use rustc_middle::ty::{self, Ty};
 use rustc_span::symbol::{Symbol, sym};
 use rustc_span::{Span, SyntaxContext};

src/tools/clippy/clippy_lints/src/matches/single_match.rs

@@ -12,6 +12,7 @@ use rustc_hir::intravisit::{Visitor, walk_pat};
 use rustc_hir::{Arm, Expr, ExprKind, HirId, Node, Pat, PatExpr, PatExprKind, PatKind, QPath, StmtKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, AdtDef, TyCtxt, TypeckResults, VariantDef};
+use rustc_middle::ty::consts::ConstExt;
 use rustc_span::Span;
 
 use super::{MATCH_BOOL, SINGLE_MATCH, SINGLE_MATCH_ELSE};

src/tools/clippy/clippy_lints/src/methods/iter_out_of_bounds.rs

@@ -5,6 +5,7 @@ use clippy_utils::{expr_or_init, sym};
 use rustc_ast::LitKind;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
+use rustc_middle::ty::consts::ConstExt;
 use rustc_middle::ty;
 
 use super::ITER_OUT_OF_BOUNDS;

src/tools/clippy/clippy_lints/src/methods/utils.rs

@@ -5,6 +5,7 @@ use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, Mutability, Pat, QPath, Stmt,
 use rustc_lint::LateContext;
 use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::{self, Ty};
+use rustc_middle::ty::consts::ConstExt;
 use rustc_span::Span;
 use rustc_span::symbol::sym;
 

src/tools/clippy/clippy_lints/src/trailing_empty_array.rs

@@ -1,3 +1,4 @@
+use rustc_middle::ty::consts::ConstExt;
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::{has_repr_attr, is_in_test};
 use rustc_hir::{Item, ItemKind};