Logical Check Operators

Logical AND and OR operators for check_*-functions from checkmate.

Usage

lhs %check&&% rhs

lhs %check||% rhs

Arguments

lhs, rhs

(function())
check_*-functions that return either TRUE or an error message as a character(1).

Value

Either TRUE or a character(1).

Examples

library(checkmate)

x = c(0, 1, 2, 3)
check_numeric(x) %check&&% check_names(names(x), "unnamed")  # is TRUE
#> [1] TRUE
check_numeric(x) %check&&% check_true(all(x < 0))  # fails
#> [1] "Must be TRUE"

check_numeric(x) %check||% check_character(x)  # is TRUE
#> [1] TRUE
check_number(x) %check||% check_flag(x)  # fails
#> [1] "Must have length 1, or Must be of type 'logical flag', not 'double'"