method
srand
v1_9_2_180 -
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Class: Random
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378
- 1_9_2_180 (0)
- 1_9_3_125 (-1)
- 1_9_3_392 (0)
- 2_1_10 (38)
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- 2_4_6 (0)
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- 2_6_3 (0)
- What's this?
srand(p1 = v1)
public
Seeds the pseudorandom number generator to the value of number. If number is omitted or zero, seeds the generator using a combination of the time, the process id, and a sequence number. (This is also the behavior if Kernel::rand is called without previously calling srand, but without the sequence.) By setting the seed to a known value, scripts can be made deterministic during testing. The previous seed value is returned. Also see Kernel::rand.