cuelang map definitions

gistfile1.txt

// https://cuelang.org/play/?id=62lD4w9v-PB#cue@export@cue

#foo: {
  mymap: [string]: string
}

#bar: [key=string]: {
    [string]: string
}

foo1: #foo & {
  mymap: {
    "hello": "world"
  }
}

bar1: #bar & {
  newmap: {
    hello: "world"
    paul: "bourke"
  }
}