scopedif: Test for all, any or none

In attempt: Tools for Defensive Programming

Description

Test for all, any or none

Usage

if_all(.l, .p = isTRUE, .f)

if_any(.l, .p = isTRUE, .f)

if_none(.l, .p = isTRUE, .f)

Arguments

.l	the list to test.
.p	the predicate for testing. Defaut is isTRUE.
.f	a mapper or a function run if .p(.x) is TRUE.

Value

If .p(.x) is TRUE, .f() is run.

Examples

if_all(1:10, ~ .x < 11, ~ return(letters[1:10]))
if_any(1:10, is.numeric, ~ return(letters[1:10]))
if_none(1:10, is.numeric, ~ return(letters[1:10]))

attempt documentation built on May 4, 2020, 1:05 a.m.