
-- x.cue --
package x

#C1: {
  name: string
}

#C2: {
  #C1
  age: int
}

c1: #C1 & {
  name: "cueckoo"
}

c2: #C2 & {
  c1
  age: 5
}
-- out/eval --
(struct){
  #C1: (#struct){
    name: (string){ string }
  }
  #C2: (#struct){
    name: (string){ string }
    age: (int){ int }
  }
  c1: (#struct){
    name: (string){ "cueckoo" }
  }
  c2: (#struct){
    name: (string){ "cueckoo" }
    age: (int){ 5 }
  }
}
-- out/compile --
--- x.cue
{
  #C1: {
    name: string
  }
  #C2: {
    〈1;#C1〉
    age: int
  }
  c1: (〈0;#C1〉 & {
    name: "cueckoo"
  })
  c2: (〈0;#C2〉 & {
    〈1;c1〉
    age: 5
  })
}