implementation must:
</p>

<ul>
	<li>Represent integer constants with at least 256 bits.</li>

	<li>Represent floating-point constants, including the parts of
	    a complex constant, with a mantissa of at least 256 bits
	    and a signed binary exponent of at least 16 bits.</li>

	<li>Give an error if unable to represent an integer constant
	    precisely.</li>

Australia/Lord_Howe Australia/Melbourne Australia/NSW Australia/North Australia/Perth Australia/Queensland Australia/South Australia/Sydney Australia/Tasmania Australia/Victoria Australia/West Australia/Yancowinna Brazil/Acre Brazil/DeNoronha Brazil/East Brazil/West CET CST6CDT Canada/Atlantic Canada/Central Canada/Eastern Canada/Mountain Canada/Newfoundland Canada/Pacific Canada/Saskatchewan Canada/Yukon Chile/Continental Chile/EasterIsland Cuba EET EST EST5EDT Egypt Eire Etc/GMT Etc/GMT+0 Etc/GMT+1...

pkg syscall (darwin-arm64), const EIO = 5
pkg syscall (darwin-arm64), const EISCONN = 56
pkg syscall (darwin-arm64), const EISDIR = 21
pkg syscall (darwin-arm64), const ELAST = 106
pkg syscall (darwin-arm64), const ELAST Errno
pkg syscall (darwin-arm64), const ELOOP = 62
pkg syscall (darwin-arm64), const EMFILE = 24
pkg syscall (darwin-arm64), const EMLINK = 31
pkg syscall (darwin-arm64), const EMSGSIZE = 40

pkg syscall (netbsd-arm64-cgo), const EIO = 5
pkg syscall (netbsd-arm64-cgo), const EISCONN = 56
pkg syscall (netbsd-arm64-cgo), const EISDIR = 21
pkg syscall (netbsd-arm64-cgo), const ELAST = 96
pkg syscall (netbsd-arm64-cgo), const ELAST Errno
pkg syscall (netbsd-arm64-cgo), const ELOOP = 62
pkg syscall (netbsd-arm64-cgo), const EMFILE = 24
pkg syscall (netbsd-arm64-cgo), const EMLINK = 31