Function dirs::font_dir

pub fn font_dir() -> Option<PathBuf>

Returns the path to the user's font directory.

The returned value depends on the operating system and is either a Some, containing a value from the following table, or a None.

Platform	Value	Example
Linux	$XDG_DATA_HOME/fonts or $HOME/.local/share/fonts	/home/alice/.local/share/fonts
macOS	$HOME/Library/Fonts	/Users/Alice/Library/Fonts
Windows	–	–