[英]How to bind through collection?
如何通過列表匹配值? 就我而言,我有一個顏色列表-
["Black", "Lavender", "Brazen", "Army", "Birch"]
我有此函數可創建顏色名稱和相關URL的集合:
(combine-color-imgurl get-product-images)
=>
[("Black"
"example.com/WWbNhro1n3YfmQTx1q5Piv1j8lZzse6M-25_2a353315-9965-457f-83f8-32af89f3b067.jpeg")
("Lavender"
"example.com/trWCTNYNOfiA8EBX9HZcxVB1Hg8pVtr9-25_403cbe3e-9894-4ad6-9f69-dedcfd7ef77b.jpeg")
("Brazen"
"example.com/COYrBHEsiOgdeOfxsQGcw8XXynsVdpxy-25_af0a9ff9-b988-467e-9b39-c4ae572420e8.jpeg")
("Army"
"example.com/YWKhJXFM0dKhJuRXphCXD4TWstnZRRJm-25_b3a2e43c-3c8c-4abc-83d2-d00d9b3ed594.jpeg")
("Birch"
"example.com/IRsHVjavdFsybvmpT6xjnpKqMtjyjeoZ-25_6321e4ef-5bed-463f-990a-1857151b8a11.jpeg")]
我不確定如何僅獲取與顏色相關的網址。
所以功能會像
(defn get-url [color]
(some-operation (combine-color-imgurl get-product-images)))
=> URL
正如Juan所提到的,解決方案是讓combine-color-imgurl
返回地圖然后使用
(get (into {} (combine-color-imgurl get-product-images)) color)
獲取URL。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.