tests/optional_scalars.json

{
  just_i8: 4,
  maybe_u8: 0,
  default_u8: 0,
  just_i16: 4,
  maybe_u16: 0,
  default_u16: 0,
  just_i32: 4,
  maybe_u32: 0,
  default_u32: 0,
  just_i64: 4,
  maybe_u64: 0,
  default_u64: 0,
  just_f32: 4.0,
  maybe_f64: 0.0,
  default_f64: 0.0,
  just_bool: true,
  default_bool: false,
  maybe_enum: "One",
  default_enum: "Two"
}