Create a not schema combinator fragment
Value
A raw schema fragment accepted by schema_doc() and schema edit verbs.
Examples
schema <- schema_doc(schema_not(schema_check("null")))
schema
#> {
#> "not": {
#> "check": {
#> "kind": "null"
#> }
#> }
#> }
schema_validate(schema, "ok", mode = "test")
#> [1] TRUE