unicode_digit  = /* a Unicode code point categorized as "Number, decimal digit" */ .
</pre>

<p>
In <a href="https://www.unicode.org/versions/Unicode8.0.0/">The Unicode Standard 8.0</a>,
Section 4.5 "General Category" defines a set of character categories.
Go treats all characters in any of the Letter categories Lu, Ll, Lt, Lm, or Lo
as Unicode letters, and those in the Number category Nd as Unicode digits.

pkg syscall (freebsd-386), type Statfs_t struct, Blocks uint64
pkg syscall (freebsd-386), type Statfs_t struct, Bsize uint64
pkg syscall (freebsd-386), type Statfs_t struct, Charspare [80]int8
pkg syscall (freebsd-386), type Statfs_t struct, Ffree int64
pkg syscall (freebsd-386), type Statfs_t struct, Files uint64
pkg syscall (freebsd-386), type Statfs_t struct, Flags uint64