Adding basic support for rands
and lookup
#433
Merged
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This is addressing #213
Adding basic support for the rands function, without support for seeding the rng explicitly. It is using the global prng.
This also adds the
OIO
OVal type, supporting IO actions. This is necessary for using the global rng.Adding support for indexing into OIO values.
Adding some expression tests for
rands
, checking that values are in the desired range and count.