问题描述：

https://github.com/clangd/vscode-clangd/issues/298

报错信息：

Error: command 'clangd.inlayHints.toggle' already exists
	at u.registerCommand (/usr/share/code/resources/app/out/vs/workbench/services/extensions/node/extensionHostProcess.js:93:28683)
	at Object.registerCommand (/usr/share/code/resources/app/out/vs/workbench/services/extensions/node/extensionHostProcess.js:107:30423)
	at n9.initialize (/home/nr/.vscode/extensions/llvm-vs-code-extensions.vscode-clangd-0.1.15/out/bundle.js:239:7973)
	at Mb.initializeFeatures (/home/nr/.vscode/extensions/llvm-vs-code-extensions.vscode-clangd-0.1.15/out/bundle.js:36:13023)
	at /home/nr/.vscode/extensions/llvm-vs-code-extensions.vscode-clangd-0.1.15/out/bundle.js:36:5978

解决方法：

升级clangd的VSCode插件，该问题在以下提交已修复：

Avoid registering the 'clangd.inlayHints.toggle' command multiple times #302

如果不想升级，则可以按照以上Commit手动修改本地src/inlay-hints.ts文件。建议修改前备份原文件。