numbat/examples/recipe.nbt

# Scale ingredient quantities based on desired servings.

@aliases(servings)
unit serving

let original_recipe_servings = 2 servings
let desired_servings = 3 servings

fn scale<D>(quantity: D) -> D =
    quantity × desired_servings / original_recipe_servings

let milk = 500 ml
print(scale(milk))

let flour = 250 g
print(scale(flour))

let sugar = 2 cups
print(scale(sugar))

let baking_powder = 4 tablespoons
print(scale(baking_powder))