Check Term or Term Record

Checks if term using vld_term() or vld_term_rcrd().

chk_term(x, validate = "complete", x_name = NULL)

chk_term_rcrd(x, validate = "complete", x_name = NULL)

Arguments

x

The object.

validate

A string specifying the level of the validation. The possible values in order of increasing strictness are 'class', 'valid', 'consistent' and 'complete'.

x_name

A string of the name of object x or NULL.

Value

NULL, invisibly. Called for the side effect of throwing an error if the condition is not met.

Functions

• chk_term_rcrd(): Check Term Record

Examples

# chk_term
x <- term("x[2]", "x[1]")
chk_term(x)
x <- c("x[2]", "x[1]")
try(chk_term(x, validate = "sorted"))
#> Error in vld_term(x, validate = validate) : 
#>   `validate` must match 'class', 'complete', 'consistent' or 'valid', not 'sorted'.

# chk_term_rcrd
x <- term_rcrd("x[2]", "x[1]")
chk_term_rcrd(x)
x <- c("x[2]", "x[1]")
try(chk_term_rcrd(x, validate = "sorted"))
#> Error in vld_term_rcrd(x, validate = validate) : 
#>   `validate` must match 'complete', 'consistent' or 'valid', not 'sorted'.