Int64 package:bytebuild

Requires exactly 8 bytes. Dump the octets of a 64-bit signed integer in a big-endian fashion.
Encodes a signed 64-bit integer as decimal. This encoding never starts with a zero unless the argument was zero. Negative numbers are preceded by a minus sign. Positive numbers are not preceded by anything.
Requires exactly 8 bytes. Dump the octets of a 64-bit signed integer in a little-endian fashion.
Encode a 64-bit signed integer with LEB-128. This uses zig-zag encoding.
Requires up to 20 bytes. Encodes a signed 64-bit integer as decimal. This encoding never starts with a zero unless the argument was zero. Negative numbers are preceded by a minus sign. Positive numbers are not preceded by anything.