it.nim

import sequtils, math

template any(sequence, operation: expr): expr =
  var result {.gensym.}: bool = false
  for i in 0 .. <sequence.len:
    let it {.inject.} = sequence[i]
    result = operation
    if result:
      break
  result

proc prime(a: int): bool =
  result = not (a < 2 or any(toSeq 2 .. int sqrt float a, a mod it == 0))

proc prime2(a): bool =
  not (a < 2 or any(toSeq 2 .. int sqrt float a, a mod it == 0))