Rpc.head: def of ezmcp@0.1.0.0
Import: import ezmcp@0.1.0.0/src/rpc.bend as Rpc
Lines 112-117 of ezmcp@0.1.0.0/src/rpc.bend: https://jend.leeeet.dev/read.txt?path=ezmcp@0.1.0.0/src/rpc.bend&start_line=112&end_line=117

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

# the fields of one decoded message
def head(+val: Value.Json) -> Head:
  Head{Json.is_obj(val), is.v2(Json.as_str(Json.get(val, "jsonrpc"))),
    Json.has(val, "id"), id.ok(Json.get(val, "id")), Json.get(val, "id"),
    Json.as_str(Json.get(val, "method")), Json.get(val, "params"),
    Json.has(val, "result"), Json.has(val, "error")}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/main.bend&name=as_str
  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=has
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/main.bend&name=is_obj
  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/rpc.bend&name=Head
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/rpc.bend&name=id.ok
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/rpc.bend&name=is.v2