Does the input have duplicates?

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Description

Checks to see if the input has duplicates.

Usage

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assert_has_duplicates(x, severity = getOption("assertive.severity", "stop"))

assert_has_no_duplicates(x, severity = getOption("assertive.severity",
  "stop"))

has_duplicates(x, .xname = get_name_in_parent(x))

has_no_duplicates(x, .xname = get_name_in_parent(x))

Arguments

x

Input to check.

severity

How severe should the consequences of the assertion be? Either "stop", "warning", "message", or "none".

.xname

Not intended to be used directly.

Value

has_duplicates returns TRUE ifanyDuplicated is TRUE. assert_has_duplicates returns nothing but throws an error if has_duplicates is not TRUE. has_no_duplicates is the negation of has_duplicates.

See Also

anyDuplicated.

Examples

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