blob: fc506c3d731b39cddbbe98bf066915cb9c8af3c9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
; Licensed to the Apache Software Foundation (ASF) under one
; or more contributor license agreements. See the NOTICE file
; distributed with this work for additional information
; regarding copyright ownership. The ASF licenses this file
; to you under the Apache License, Version 2.0 (the
; "License"); you may not use this file except in compliance
; with the License. You may obtain a copy of the License at
;
; http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing,
; software distributed under the License is distributed on an
; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
; KIND, either express or implied. See the License for the
; specific language governing permissions and limitations
; under the License.
; Currency converter implementation
(define (convert from to amount)
(if (equal? to "EUR") (* amount 0.70) amount)
)
(define (symbol currency)
(if (equal? currency "EUR") "E" "$")
)
|
