47 lines
1.0 KiB
Nim
47 lines
1.0 KiB
Nim
import
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random, sets
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type
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RandGen*[T] = object
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minVal, maxVal: T
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KVPair* = ref object
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key*: string
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value*: string
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proc randGen*[T](minVal, maxVal: T): RandGen[T] =
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assert(minVal <= maxVal)
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result.minVal = minVal
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result.maxVal = maxVal
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proc getVal*[T](x: RandGen[T]): T =
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if x.minVal == x.maxVal: return x.minVal
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rand(x.minVal..x.maxVal)
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proc randString*(len: int): string =
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result = newString(len)
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for i in 0..<len:
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result[i] = rand(255).char
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proc randPrimitives*[T](val: int): T =
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when T is string:
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randString(val)
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elif T is int:
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result = val
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iterator randList*(T: typedesc, strGen, listGen: RandGen, unique: bool = true): T =
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let listLen = listGen.getVal()
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if unique:
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var set = initSet[T]()
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for len in 0..<listLen:
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while true:
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let x = randPrimitives[T](strGen.getVal())
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if x notin set:
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yield x
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set.incl x
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break
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else:
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for len in 0..<listLen:
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let x = randPrimitives[T](strGen.getVal())
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yield x
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