# NOT RUN {
# ways to work:
is_valid_prob_triple(0, 0, 0) # => TRUE
is_valid_prob_triple(1, 1, 1) # => TRUE
## ways to fail:
# is_valid_prob_triple(0, 0) # => ERROR (as no triple)
# is_valid_prob_triple(0, 0, 7) # => FALSE + warning (beyond range)
# is_valid_prob_triple(0, NA, 0) # => FALSE + warning (NA)
# is_valid_prob_triple("p", 0, 0) # => FALSE + warning (non-numeric)
# }
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