package main

type Item struct {
    desc  string
    value int
}

type Recipe struct {
    name     string
    contents []RecipeItem
}

type RecipeItem struct {
    item   Item
    amount int
}

func main() {

    materials := map[string]Item{
        "Iron": Item{
            desc:  "Common metal",
            value: 10,
        },

        "Gold": Item{
            desc:  "Less common metal",
            value: 15,
        },

        "Wood": Item{
            desc:  "Common tree stuff",
            value: 2,
        },
    }

    recipes := []Recipe{
        Recipe{
            name: "Pickaxe",
            contents: []RecipeItem{
                RecipeItem{
                    item:   materials["Iron"],
                    amount: 3,
                },
                RecipeItem{
                    item:   materials["Wood"],
                    amount: 2,
                },
            },
        },
    }
}