Fix items_after_statements for sub-functions

Author: devonhollowood

clippy_lints/src/methods/mod.rs

@@ -1081,18 +1081,6 @@ fn lint_expect_fun_call(cx: &LateContext<'_, '_>, expr: &hir::Expr, method_span:
         arg: &hir::Expr,
         span: Span,
     ) {
-        if name != "expect" {
-            return;
-        }
-
-        let self_type = cx.tables.expr_ty(self_expr);
-        let known_types = &[&paths::OPTION, &paths::RESULT];
-
-        // if not a known type, return early
-        if known_types.iter().all(|&k| !match_type(cx, self_type, k)) {
-            return;
-        }
-
         fn is_call(node: &hir::ExprKind) -> bool {
             match node {
                 hir::ExprKind::AddrOf(_, expr) => {
@@ -1107,6 +1095,18 @@ fn lint_expect_fun_call(cx: &LateContext<'_, '_>, expr: &hir::Expr, method_span:
             }
         }
 
+        if name != "expect" {
+            return;
+        }
+
+        let self_type = cx.tables.expr_ty(self_expr);
+        let known_types = &[&paths::OPTION, &paths::RESULT];
+
+        // if not a known type, return early
+        if known_types.iter().all(|&k| !match_type(cx, self_type, k)) {
+            return;
+        }
+
         if !is_call(&arg.node) {
             return;
         }
@@ -1338,14 +1338,6 @@ fn lint_iter_cloned_collect(cx: &LateContext<'_, '_>, expr: &hir::Expr, iter_arg
 }
 
 fn lint_unnecessary_fold(cx: &LateContext<'_, '_>, expr: &hir::Expr, fold_args: &[hir::Expr]) {
-    // Check that this is a call to Iterator::fold rather than just some function called fold
-    if !match_trait_method(cx, expr, &paths::ITERATOR) {
-        return;
-    }
-
-    assert!(fold_args.len() == 3,
-        "Expected fold_args to have three entries - the receiver, the initial value and the closure");
-
     fn check_fold_with_op(
         cx: &LateContext<'_, '_>,
         fold_args: &[hir::Expr],
@@ -1402,6 +1394,14 @@ fn lint_unnecessary_fold(cx: &LateContext<'_, '_>, expr: &hir::Expr, fold_args:
         }
     }
 
+    // Check that this is a call to Iterator::fold rather than just some function called fold
+    if !match_trait_method(cx, expr, &paths::ITERATOR) {
+        return;
+    }
+
+    assert!(fold_args.len() == 3,
+        "Expected fold_args to have three entries - the receiver, the initial value and the closure");
+
     // Check if the first argument to .fold is a suitable literal
     match fold_args[1].node {
         hir::ExprKind::Lit(ref lit) => {

clippy_lints/src/utils/higher.rs

@@ -46,6 +46,14 @@ pub struct Range<'a> {
 
 /// Higher a `hir` range to something similar to `ast::ExprKind::Range`.
 pub fn range<'a, 'b, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'b hir::Expr) -> Option<Range<'b>> {
+    /// Find the field named `name` in the field. Always return `Some` for
+    /// convenience.
+    fn get_field<'a>(name: &str, fields: &'a [hir::Field]) -> Option<&'a hir::Expr> {
+        let expr = &fields.iter().find(|field| field.ident.name == name)?.expr;
+
+        Some(expr)
+    }
+
 
     let def_path = match cx.tables.expr_ty(expr).sty {
         ty::Adt(def, _) => cx.tcx.def_path(def.did),
@@ -75,14 +83,6 @@ pub fn range<'a, 'b, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'b hir::Expr) -> O
         return None;
     }
 
-    /// Find the field named `name` in the field. Always return `Some` for
-    /// convenience.
-    fn get_field<'a>(name: &str, fields: &'a [hir::Field]) -> Option<&'a hir::Expr> {
-        let expr = &fields.iter().find(|field| field.ident.name == name)?.expr;
-
-        Some(expr)
-    }
-
     // The range syntax is expanded to literal paths starting with `core` or `std`
     // depending on
     // `#[no_std]`. Testing both instead of resolving the paths.