View source: R/set_operations.R
| excludes_advanced | R Documentation |
This function checks that x does not include any of the illegal elements.
x must be the same type as illegal.
Factors are treated as character vectors.
excludes_advanced(x, illegal)
x |
An object to check |
illegal |
The prohibited elements to check for |
Returns TRUE if x is the same type as illegal and x does not include any of the illegal elements.
Otherwise returns a string representing the appropriate error message to display
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