View source: R/validation-helpers.R
validateIsIncluded | R Documentation |
Check if values are included
validateIsIncluded(values, parentValues, nullAllowed = FALSE)
values |
A vector of values. |
parentValues |
A vector of values where |
nullAllowed |
If |
Returns NULL
if child value is included in parent value set, otherwise
error is signaled.
A <- data.frame( col1 = c(1, 2, 3), col2 = c(4, 5, 6), col3 = c(7, 8, 9) ) # will return NULL if child value is included in parent value set validateIsIncluded("col3", names(A))
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