Return an in increaing whole-number sequence from a to b inclusive (return integer(0) if none such). Allows for safe iteraton.

seqi(a, b)

Arguments

a

scalar lower bound

b

scalar upper bound

Value

whole number sequence

Examples


# print 3, 4, and then 5
for(i in seqi(3, 5)) {
   print(i)
}
#> [1] 3
#> [1] 4
#> [1] 5

# empty
for(i in seqi(5, 2)) {
   print(i)
}