fn timingSafeCompare(comptime T: type, a: []const T, b: []const T, endian: Endian) Order
Compare two integers serialized as arrays of the same size, in constant time. Returns .lt if a<b, .gt if a>b and .eq if a=b
T: type,
a: []const T,
b: []const T,
endian: Endian,