Assert ParamUty Custom Checks for a data.table Column

Applies a ParamUty parameter's custom_check to each non-special entry of a column and raises an informative error for the first failing row.

Usage

assert_param_uty_custom_check(
  col,
  param_id,
  custom_check,
  special_vals,
  .dt_name
)

Arguments

col

Column values to validate.

param_id

(character(1))
Parameter identifier used in error messages.

custom_check

(function)
Custom validation function stored on the ParamUty.

special_vals

(list())
Special values that bypass the custom check.

.dt_name

(character(1))
Name of the data.table for error messages.

Value

TRUE invisibly if all checked values pass.