Rollup merge of #92849 - flip1995:clippyup, r=Manishearth

[rust.git] / clippy_utils / src / ast_utils.rs

diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs
index 8400bfbbd99d2550d09021754a61ffc8e4cf5f9b..3d3180521ab7a2fcb533727a1ed8a43a84971cf7 100644 (file)
--- a/clippy_utils/src/ast_utils.rs
+++ b/clippy_utils/src/ast_utils.rs
@@ -5,7 +5,6 @@
 #![allow(clippy::similar_names, clippy::wildcard_imports, clippy::enum_glob_use)]
 
 use crate::{both, over};
-use if_chain::if_chain;
 use rustc_ast::ptr::P;
 use rustc_ast::{self as ast, *};
 use rustc_span::symbol::Ident;
@@ -679,34 +678,3 @@ pub fn eq_mac_args(l: &MacArgs, r: &MacArgs) -> bool {
         _ => false,
     }
 }
-
-/// Extract args from an assert-like macro.
-///
-/// Currently working with:
-/// - `assert_eq!` and `assert_ne!`
-/// - `debug_assert_eq!` and `debug_assert_ne!`
-///
-/// For example:
-///
-/// `debug_assert_eq!(a, b)` will return Some([a, b])
-pub fn extract_assert_macro_args(mut expr: &Expr) -> Option<[&Expr; 2]> {
-    if_chain! {
-        if let ExprKind::If(_, ref block, _) = expr.kind;
-        if let StmtKind::Semi(ref e) = block.stmts.get(0)?.kind;
-        then {
-            expr = e;
-        }
-    }
-    if_chain! {
-        if let ExprKind::Block(ref block, _) = expr.kind;
-        if let StmtKind::Expr(ref expr) = block.stmts.get(0)?.kind;
-        if let ExprKind::Match(ref match_expr, _) = expr.kind;
-        if let ExprKind::Tup(ref tup) = match_expr.kind;
-        if let [a, b, ..] = tup.as_slice();
-        if let (&ExprKind::AddrOf(_, _, ref a), &ExprKind::AddrOf(_, _, ref b)) = (&a.kind, &b.kind);
-        then {
-            return Some([&*a, &*b]);
-        }
-    }
-    None
-}