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next_i64

Random.next_i64

(exclusive_bound i64)
 => 
i64
return next random number of type i64 in the range 0..exclusive_bound-1

Note: uniform distribution is not perfect, it gets worse the closer exclusive_bound gets to 2^64, because internal calculation uses modulo
Precondition
pre debug: exclusive_bound ≥ 0
0.099dev (GIT hash a1331a3dc7ff37424401d3c7d0dba5be1302516f)
last changed: 2026-07-23