Trim trailing whitespace and normalize newlines. (#1633)

* Trim trailing whitespace and normalize newlines.

* Add settings to devcontainer.

* Update devcontainer files.

* Revert changes to .devcontainer/make_devcontainers.sh

.devcontainer/README.md

@@ -136,7 +136,7 @@ For more information, see the `.devcontainer/make_devcontainers.sh --help` messa
 
 2. Install WSL 2 by running:
 ```bash
-wsl --install 
+wsl --install
 ```
 This should probably install Ubuntu distro as a default.
 
@@ -182,14 +182,14 @@ then run `sudo systemctl restart docker.service`.
 10. Open the CCCL cloned repo in VS Code ( `Ctrl + Shift + P `, select `File: Open Folder...` and select the path where your CCCL clone is located).
 
 11. If prompted, choose `Reopen in Container`.
-    
+
     - If you are not prompted just type `Ctrl + Shift + P` and `Dev Containers: Open Folder in Container ...`.
 
 12. Verify that Dev Container was configured properly by running `nvidia-smi` in your Dev Container terminal. For a proper configuration it is important for the steps in [Install prerequisites and VS Code extensions](#prereqs) to be followed in a precise order.
 
 From that point on, the guide aligns with our [existing Dev Containers native Linux guide](https://github.com/NVIDIA/cccl/blob/main/.devcontainer/README.md) with just one minor potential alteration:
 
-13. If WSL was launched without the X-server enabled, when asked to "authenticate Git with your Github credentials", if you answer **Yes**, the browser might not open automatically, with the following error message. 
+13. If WSL was launched without the X-server enabled, when asked to "authenticate Git with your Github credentials", if you answer **Yes**, the browser might not open automatically, with the following error message.
 
 > Failed opening a web browser at https://github.com/login/device
   exec: "xdg-open,x-www-browser,www-browser,wslview": executable file not found in $PATH

.devcontainer/cuda11.1-gcc6/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda11.1-gcc7/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda11.1-gcc8/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda11.1-gcc9/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda11.1-llvm9/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda11.8-gcc11/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc10/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc11/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc12/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc7/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc8/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-gcc9/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm10/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm11/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm12/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm13/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm14/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm15/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm16/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-llvm9/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/cuda12.4-oneapi2023.2.0/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/devcontainer.json

@@ -39,7 +39,9 @@
         "clang-format.executable": "/usr/local/bin/clang-format",
         "clangd.arguments": [
           "--compile-commands-dir=${workspaceFolder}"
-        ]
+        ],
+        "files.eol": "\n",
+        "files.trimTrailingWhitespace": true
       }
     }
   },

.devcontainer/launch.sh

@@ -127,4 +127,3 @@ main() {
 }
 
 main "$@"
-

.github/CODEOWNERS

@@ -3,7 +3,7 @@
 * @nvidia/cccl-codeowners
 
 # Libraries
-thrust/ @nvidia/cccl-thrust-codeowners @nvidia/cccl-codeowners 
+thrust/ @nvidia/cccl-thrust-codeowners @nvidia/cccl-codeowners
 cub/ @nvidia/cccl-cub-codeowners @nvidia/cccl-codeowners
 libcudacxx/ @nvidia/cccl-libcudacxx-codeowners @nvidia/cccl-codeowners
 

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -11,7 +11,7 @@ body:
       options:
         - label: I confirmed there appear to be no [duplicate issues](https://github.com/NVIDIA/cccl/issues) for this bug and that I agree to the [Code of Conduct](CODE_OF_CONDUCT.md)
           required: true
-          
+
   - type: dropdown
     id: bug-type
     attributes:
@@ -46,7 +46,7 @@ body:
     attributes:
       label: Describe the bug
       description: A clear and concise description of what problem you are running into.
-      placeholder: "Attempting to use structured bindings with `cuda::std::tuple` fails to compile."  
+      placeholder: "Attempting to use structured bindings with `cuda::std::tuple` fails to compile."
     validations:
       required: true
 
@@ -94,16 +94,16 @@ body:
     attributes:
       label: Operating System
       description:
-        If applicable, the OS version where this bug occurs. 
+        If applicable, the OS version where this bug occurs.
       placeholder: Ubuntu Linux 20.04
     validations:
       required: false
-        
+
   - type: textarea
     id: nvidia-smi-output
     attributes:
       label: nvidia-smi output
-      description: If applicable, the output from running the `nvidia-smi` command. 
+      description: If applicable, the output from running the `nvidia-smi` command.
       placeholder: |
         +-----------------------------------------------------------------------------+
         | NVIDIA-SMI 495.29.05    Driver Version: 495.29.05    CUDA Version: 11.5     |
@@ -118,12 +118,12 @@ body:
         +-------------------------------+----------------------+----------------------+
     validations:
       required: false
-      
+
   - type: textarea
     id: nvcc-version
     attributes:
       label: NVCC version
-      description: If applicable, the version of nvcc you're using. 
+      description: If applicable, the version of nvcc you're using.
       placeholder: |
         nvcc --version
         nvcc: NVIDIA (R) Cuda compiler driver

.github/ISSUE_TEMPLATE/config.yml

@@ -2,7 +2,7 @@ blank_issues_enabled: true
 contact_links:
   - name: Question
     url: https://github.com/NVIDIA/cccl/discussions
-    about: Check out our Discussions page to ask and answer questions. 
+    about: Check out our Discussions page to ask and answer questions.
   - name: CUDA C++ Core Libraries Discord
     url: https://discord.gg/nvidiadeveloper
-    about: Come chat about using and contributing to CCCL! 
+    about: Come chat about using and contributing to CCCL!

.github/ISSUE_TEMPLATE/doc_request.yml

@@ -34,9 +34,8 @@ body:
   - type: textarea
     id: search_locs
     attributes:
-      label: If this is a correction, please provide a link to the incorrect documentation. If this is a new documentation request, please link to where you have looked. 
+      label: If this is a correction, please provide a link to the incorrect documentation. If this is a new documentation request, please link to where you have looked.
       placeholder: |
        https://docs.nvidia.com/cuda/thrust/
        https://docs.nvidia.com/cuda/cub/
        https://docs.nvidia.com/cuda/cuda-c-std/index.html
-

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -26,13 +26,13 @@ body:
         - Not sure
     validations:
       required: true
-      
+
   - type: textarea
     id: description
     attributes:
       label: Is your feature request related to a problem? Please describe.
       description: A clear and concise description of what the problem is, e.g., "I would like to be able to..."
-      placeholder: I would like to be able to use the equivalent of `std::variant` in both host and device code. 
+      placeholder: I would like to be able to use the equivalent of `std::variant` in both host and device code.
     validations:
       required: true
 
@@ -42,7 +42,7 @@ body:
       label: Describe the solution you'd like
       description: A clear and concise description of what you want to happen.
       placeholder: |
-        Provide the header `<cuda/std/variant>` that implements a heterogeneous `cuda::std::variant` type. 
+        Provide the header `<cuda/std/variant>` that implements a heterogeneous `cuda::std::variant` type.
     validations:
       required: true
 
@@ -53,7 +53,7 @@ body:
       description:
         If applicable, please add a clear and concise description of any alternative solutions or features you've
         considered.
-      placeholder: The alternatives to a `variant` are unappealing. They usually involve using a raw `union` which is not type safe and has none of the convenient machinery like `std::visit`. 
+      placeholder: The alternatives to a `variant` are unappealing. They usually involve using a raw `union` which is not type safe and has none of the convenient machinery like `std::visit`.
     validations:
       required: false
 
@@ -62,6 +62,6 @@ body:
     attributes:
       label: Additional context
       description: Add any other context about the request here.
-      placeholder: This would be a helpful vocabulary type that could replace a lot of custom and error prone code. 
+      placeholder: This would be a helpful vocabulary type that could replace a lot of custom and error prone code.
     validations:
       required: false