1 files changed, 21 insertions, 24 deletions
diff --git a/src/tools/clippy/clippy_lints/src/precedence.rs b/src/tools/clippy/clippy_lints/src/precedence.rs
index 057b7e306..ff83725da 100644
--- a/src/tools/clippy/clippy_lints/src/precedence.rs
+++ b/src/tools/clippy/clippy_lints/src/precedence.rs
@@ -1,11 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_applicability;
-use if_chain::if_chain;
 use rustc_ast::ast::{BinOpKind, Expr, ExprKind, MethodCall, UnOp};
 use rustc_ast::token;
 use rustc_errors::Applicability;
 use rustc_lint::{EarlyContext, EarlyLintPass};
-use rustc_session::{declare_lint_pass, declare_tool_lint};
+use rustc_session::declare_lint_pass;
 use rustc_span::source_map::Spanned;
 
 const ALLOWED_ODD_FUNCTIONS: [&str; 14] = [
@@ -79,7 +78,7 @@ impl EarlyLintPass for Precedence {
                     let sugg = format!(
                         "({}) {} ({})",
                         snippet_with_applicability(cx, left.span, "..", &mut applicability),
-                        op.to_string(),
+                        op.as_str(),
                         snippet_with_applicability(cx, right.span, "..", &mut applicability)
                     );
                     span_sugg(expr, sugg, applicability);
@@ -88,7 +87,7 @@ impl EarlyLintPass for Precedence {
                     let sugg = format!(
                         "({}) {} {}",
                         snippet_with_applicability(cx, left.span, "..", &mut applicability),
-                        op.to_string(),
+                        op.as_str(),
                         snippet_with_applicability(cx, right.span, "..", &mut applicability)
                     );
                     span_sugg(expr, sugg, applicability);
@@ -97,7 +96,7 @@ impl EarlyLintPass for Precedence {
                     let sugg = format!(
                         "{} {} ({})",
                         snippet_with_applicability(cx, left.span, "..", &mut applicability),
-                        op.to_string(),
+                        op.as_str(),
                         snippet_with_applicability(cx, right.span, "..", &mut applicability)
                     );
                     span_sugg(expr, sugg, applicability);
@@ -118,25 +117,23 @@ impl EarlyLintPass for Precedence {
                 arg = receiver;
             }
 
-            if_chain! {
-                if !all_odd;
-                if let ExprKind::Lit(lit) = &arg.kind;
-                if let token::LitKind::Integer | token::LitKind::Float = &lit.kind;
-                then {
-                    let mut applicability = Applicability::MachineApplicable;
-                    span_lint_and_sugg(
-                        cx,
-                        PRECEDENCE,
-                        expr.span,
-                        "unary minus has lower precedence than method call",
-                        "consider adding parentheses to clarify your intent",
-                        format!(
-                            "-({})",
-                            snippet_with_applicability(cx, operand.span, "..", &mut applicability)
-                        ),
-                        applicability,
-                    );
-                }
+            if !all_odd
+                && let ExprKind::Lit(lit) = &arg.kind
+                && let token::LitKind::Integer | token::LitKind::Float = &lit.kind
+            {
+                let mut applicability = Applicability::MachineApplicable;
+                span_lint_and_sugg(
+                    cx,
+                    PRECEDENCE,
+                    expr.span,
+                    "unary minus has lower precedence than method call",
+                    "consider adding parentheses to clarify your intent",
+                    format!(
+                        "-({})",
+                        snippet_with_applicability(cx, operand.span, "..", &mut applicability)
+                    ),
+                    applicability,
+                );
             }
         }
     }