flatpak/subprojects/variant-schema-compiler/sample.gv

type Metadata [string] variant;
type SortedMetadata [sorted string] variant;

type Var {
  foo: int16;
  bar: int32;
  b: byte;
  the_rest: {
    gazonk: uint16;
    b: byte;
  };
};

type Test {
  foo: []int32;
  s: string;
  sh: uint16;
  sub: 'Sub {
    str: string;
    bar: int32;
  };
  subagain: Sub;
  sub2: 'Sub2 {
    bar: int32;
  };
  bar: int32;
  v: variant;
  arr: []Var;
  d1: [int32]int32;
  d1s: 'D1s [sorted int32]int32; /* Sorted, so we can test binary search fixed lookup */
  meta: Metadata;
  metas: SortedMetadata;
  d2: 'D2 [int32]string;
  optional: ? 'Optional {
    op: objectpath;
    s: signature;
    b: boolean;
    h: handle;
    large: int64;
    larger: uint64;
    pi: double;
  };
};

type LotsOfDicts {
 foo: [byte]int16;
 foo2: [int16]{a: int32;};
};

type Endian {
  little: littleendian uint16;
  big: bigendian int32;
};