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error handling

master
Victor Fors 2 年之前
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共有 1 個檔案被更改,包括 4 行新增1 行删除
  1. +4
    -1
      parking.scm

+ 4
- 1
parking.scm 查看文件

@@ -7,6 +7,7 @@
(import (chicken io))
(import srfi-13)
(import srfi-14)
(import (chicken condition))

(define (curry fn a)
(lambda (b)
@@ -73,7 +74,9 @@

;;; Get data from a uri and parse it as json.
(define (simple-json-request uri)
(with-input-from-request uri #f read-json))
(condition-case (with-input-from-request uri #f read-json)
((exn i/o net) (begin (display-newline "Connection failed.")
(exit 1)))))

;;; The API key is an alphanumeric string of length 32
;;; The Linköping municipal open data API key generator portal is located at http://opendata.linkoping.se


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