Assertion for Positive Number
Usage
assert_positive_number(x, zero_ok = FALSE)
Arguments
- x
what to check.
- zero_ok
(flag)
whether x can be zero or not.
Value
Raises an error if x is not a single positive (or non-negative) number.
Examples
assert_positive_number(3.2)
assert_positive_number(0, zero_ok = TRUE)
