From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/lint/noop-method-call.rs | 55 ------------------------------------ 1 file changed, 55 deletions(-) delete mode 100644 src/test/ui/lint/noop-method-call.rs (limited to 'src/test/ui/lint/noop-method-call.rs') diff --git a/src/test/ui/lint/noop-method-call.rs b/src/test/ui/lint/noop-method-call.rs deleted file mode 100644 index 89b296635..000000000 --- a/src/test/ui/lint/noop-method-call.rs +++ /dev/null @@ -1,55 +0,0 @@ -// check-pass - -#![allow(unused)] -#![warn(noop_method_call)] - -use std::borrow::Borrow; -use std::ops::Deref; - -struct PlainType(T); - -#[derive(Clone)] -struct CloneType(T); - -fn main() { - let non_clone_type_ref = &PlainType(1u32); - let non_clone_type_ref_clone: &PlainType = non_clone_type_ref.clone(); - //~^ WARNING call to `.clone()` on a reference in this situation does nothing - - let clone_type_ref = &CloneType(1u32); - let clone_type_ref_clone: CloneType = clone_type_ref.clone(); - - // Calling clone on a double reference doesn't warn since the method call itself - // peels the outer reference off - let clone_type_ref = &&CloneType(1u32); - let clone_type_ref_clone: &CloneType = clone_type_ref.clone(); - - let non_deref_type = &PlainType(1u32); - let non_deref_type_deref: &PlainType = non_deref_type.deref(); - //~^ WARNING call to `.deref()` on a reference in this situation does nothing - - // Dereferencing a &&T does not warn since it has collapsed the double reference - let non_deref_type = &&PlainType(1u32); - let non_deref_type_deref: &PlainType = non_deref_type.deref(); - - let non_borrow_type = &PlainType(1u32); - let non_borrow_type_borrow: &PlainType = non_borrow_type.borrow(); - //~^ WARNING call to `.borrow()` on a reference in this situation does nothing - - // Borrowing a &&T does not warn since it has collapsed the double reference - let non_borrow_type = &&PlainType(1u32); - let non_borrow_type_borrow: &PlainType = non_borrow_type.borrow(); - - let xs = ["a", "b", "c"]; - let _v: Vec<&str> = xs.iter().map(|x| x.clone()).collect(); // ok, but could use `*x` instead -} - -fn generic(non_clone_type: &PlainType) { - non_clone_type.clone(); - //~^ WARNING call to `.clone()` on a reference in this situation does nothing -} - -fn non_generic(non_clone_type: &PlainType) { - non_clone_type.clone(); - //~^ WARNING call to `.clone()` on a reference in this situation does nothing -} -- cgit v1.2.3