Ecfun: missing0 – R documentation

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missing0

Missing or length 0

Description

TRUE if x is missing or if length(x) is 0.

Usage

missing0(x)

Arguments

`x`	a formal argument as for `missing`

Details

Only makes sense called from within another function

Value

logical: TRUE if x is missing or if length(x) is 0.

Author(s)

Spencer Graves

Examples

tstFn <- function(x)missing0(x)
# missing 

all.equal(tstFn(), TRUE)


# length 0 

all.equal(tstFn(logical()), TRUE)


# supplied 

all.equal(tstFn(1), FALSE)

Ecfun

Functions for 'Ecdat'

v0.2-4

GPL (>= 2)

Authors

Spencer Graves <spencer.graves@effectivedefense.org>

Initial release

2020-10-26