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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