Openapi.check: def of ezmcp@0.1.0.0
Import: import ezmcp@0.1.0.0/src/openapi.bend as Openapi
Lines 1492-1499 of ezmcp@0.1.0.0/src/openapi.bend: https://jend.leeeet.dev/read.txt?path=ezmcp@0.1.0.0/src/openapi.bend&start_line=1492&end_line=1499

import Base
import emerging-ezjson@1.2.0.0/main.bend as Json
import emerging-ezjson@1.2.0.0/src/value.bend as Value

# what is wrong with a call's arguments, when anything is: a required name
# they do not have (`missing`), else a property they have whose value does
# not fit its schema (`bad`); none when neither
def check(oper: Op, +args: Value.Json) -> Maybe<&2, String>:
  match oper:
    case Op{name, description, +input, method, path, params, media}:
      check.of(name, first(missing(Json.items(Json.get(input, "required")),
        args), bad(members(Json.get(input, "properties")), args)))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/main.bend&name=get
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/main.bend&name=items
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/src/value.bend&name=Json
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=Op
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=bad
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=check.of
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=first
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=members
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/openapi.bend&name=missing