On 2/8/23 11:04, Alexander Zhirov wrote:
> That is, the result is arrays of table B that are missing OR not equal
> to arrays in table A.
This should do it:
alias MyType = string[string][int];
// 'a' is subtracted from 'b'
MyType difference(MyType b, MyType a) {
MyType result;
foreach (kv; b.byKeyValue) {
auto existing = kv.key in a;
if (!existing || (*existing != kv.value)) {
result[kv.key] = kv.value;
}
}
return result;
}
void main() {
auto a = [
4:["id":"4", "deleted":"f", "name":"6.2"],
3:["id":"3", "deleted":"f", "name":"5.6_hwlister"],
2:["id":"2", "deleted":"t", "name":"6.2"],
1:["id":"1", "deleted":"f", "name":"5.6"]
];
auto b = [
6:["id":"6", "deleted":"f", "name":"6.2_test"],
5:["id":"5", "deleted":"f", "name":"5.6_test"],
4:["id":"4", "deleted":"f", "name":"6.2_hwlister"],
3:["id":"3", "deleted":"f", "name":"5.6_hwlister"],
2:["id":"2", "deleted":"f", "name":"6.2"],
1:["id":"1", "deleted":"f", "name":"5.6"]
];
auto expected = [
6:["id":"6", "deleted":"f", "name":"6.2_test"],
5:["id":"5", "deleted":"f", "name":"5.6_test"],
4:["id":"4", "deleted":"f", "name":"6.2_hwlister"],
2:["id":"2", "deleted":"f", "name":"6.2"]
];
auto diff = difference(b, a);
import std.format;
assert(diff == expected, format!"UNEXPECTED: %s"(diff));
}
Ali
