| as_contract_block | Convert a Validator to a Multi-Line Block |
| as_contract_text | Convert a Validator to Plain Text |
| require_between | Require Value in Range |
| require_character | Require Character Type |
| require_col_between | Require Column Values in Range |
| require_col_character | Require Character Column |
| require_col_numeric | Require Numeric Column |
| require_col_one_of | Require Column Values from a Set |
| require_custom | Create a Custom Validation Step |
| require_df | Require a Data Frame |
| require_finite | Require Finite Values |
| require_has_cols | Require Specific Columns |
| require_integer | Require Integer Type |
| require_length | Require Specific Length |
| require_length_matches | Require Length Matching an Expression |
| require_length_max | Require Maximum Length |
| require_length_min | Require Minimum Length |
| require_logical | Require Logical Type |
| require_no_na | Require No NA Values |
| require_nrow_matches | Require Row Count Matching an Expression |
| require_nrow_min | Require Minimum Number of Rows |
| require_numeric | Require Numeric Type |
| require_one_of | Require Value from a Set |
| restrict | Create a Composable Validator |