Feature: Random Number Generator

[barum]

What would it take to add a std.rand to the standard library?
It seems like a very useful function.

[sbarzowski]

We go to great lengths to make the output deterministic and well-defined (so you can run a different implementation of Jsonnet on any platform and get byte-for-byte the same output).

I would be open to adding pseudo-random numbers if their definition is laid down precisely in the spec (and seed is provided explicitly).

[mkmik]

FWIW when I need a "random" number generally resort to hashing some value and deriving a value from that hash:

Example from real use case:

   // Deterministic skewed interval
  local interval = std.format(
    '%sm',
    (
      60 * 26 -
      (2 * std.parseHex(std.slice(std.md5(clusterName), 0, 2, 1)))
    )
  );