Using `field` to customize field properties

dataclass_nonhashed_field.py

from dataclasses import dataclass, field
from typing import FrozenSet


@dataclass(frozen=True, eq=True)
class Ingredient:
    id: str
    g_per_ml: float
    substitution_ids: FrozenSet[str] = field(
        default_factory=lambda: frozenset(), compare=False
    )