check_num_int: Check variable class for numeric / integer

In thfuchs/testr: Supporting (unit) testing with tinytest

Description

Match variable class with one of numeric or integer and abort by 'abort' otherwise.

Usage

check_num_int(var, n = NULL, allowNULL = FALSE)

Arguments

var	variable to check
n	numeric to also check length var
allowNULL	allow to pass check if var NULL? FALSE by default

Value

silent if check is passed, rlang error otherwise

Examples

  id <- 2
  check_num_int(id)

  id <- 2L
  check_num_int(id)
  
  # check variable type and length
  check_num_int(id, n = 1)

  # pass check if variable NULL
  id <- NULL
  check_num_int(id, allowNULL = TRUE)

  ## Not run: 
    # generates error
    id <- "2"
    check_num_int(id)
  
## End(Not run)

thfuchs/testr documentation built on Jan. 22, 2021, 2:35 p.m.