False positive for runtime/explicit on deleted constructors #386
Description
Deleted constructors shouldn't need to be marked explicit, because they can't be called implicitly.
Test case: explicit.cpp
// Copyright 2025 The Public Domain
class A {};
class B {
B(A) = delete;
};Actual output:
$ cpplint --version
Cpplint fork (https://github.com/cpplint/cpplint)
cpplint 2.0.2
Python 3.13.5 (main, Jun 12 2025, 00:00:00) [GCC 15.1.1 20250521 (Red Hat 15.1.1-2)]
$ cpplint explicit.cpp
explicit.cpp:5: Single-parameter constructors should be marked explicit. [runtime/explicit] [4]
Done processing explicit.cpp
Total errors found: 1