[VSCode Snippet] C++ header file #ifndef pattern

cpp.json

{
	"Header #ifndef pattern": {
		"prefix": "hdef",
		"body": [
			"#ifndef _H_${TM_FILENAME/(.*)[.][h]$/${1:/upcase}/}",
			"#define _H_${TM_FILENAME/(.*)[.][h]$/${1:/upcase}/}",
			"\n${1:/* content */}\n",
			"#endif"
		],
		"description": "Header file pattern to preserve reinclude"
	}
}