.is_reserved_operator {contrastable} | R Documentation |
Check if node is a contrast-manipulation operator
Description
Some symbols are reserved for the special syntax implemented by the package.
This function checks if a given node (i.e., a call) is one or more of
+ - * |
Usage
.is_reserved_operator(node, check_sym = NULL)
Arguments
node |
List element |
check_sym |
If NULL (default), check all reserved operators. Otherwise, a string that will be converted to a symbol. |
Value
TRUE
if node
is identical to a reserved operator, otherwise
FALSE
[Package contrastable version 1.0.2 Index]