creates/coerces objects to proper hash keys
Given an vector of any type,
make.keys tries to coerce it into a
character vector that can be used as a hash key. This is used internally
by the hash package and should not be normally needed.
An object that represents the key(s) to be coerced to a valid hash keys.
This function is used internally by the
hash class to
ensure that the keys are valid. There should be no need to use this
externally and is only documented for completeness.
A character vector of valid keys
See also as
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