On Sunday, 15 August 2021 at 20:41:51 UTC, james.p.leblanc wrote:
struct A
{
int opIndexAssign(int v); // overloads a[] = v
int opIndexAssign(int v, size_t[2] x); // overloads
a[i .. j] = v
int[2] opSlice(size_t x, size_t y); // overloads i
.. j
}
void test()
{
A a;
int v;
a[] = v; // same as a.opIndexAssign(v);
a[3..4] = v; // same as a.opIndexAssign(v,
a.opSlice(3,4));
}
I have hacked at this trying to get a simple working example.
Not sure if this does enough of what you’re looking for, but this
covers the minimal steps to get it working:
https://run.dlang.io/is/m5svQ2
```d
import std;
struct A
{
int opIndexAssign(int v) // overloads a[] = v
{
writeln(__FUNCTION__);
return 42;
}
int opIndexAssign(int vh, size_t[2] x) // overloads a[i ..
j] = v
{
writeln(__FUNCTION__);
return 43;
}
int[2] opSlice(size_t x, size_t y) // overloads i .. j
{
writeln(__FUNCTION__);
return [44, 45];
}
}
void main()
{
A a;
int v;
a[] = v; // same as a.opIndexAssign(v);
a[3..4] = v; // same as a.opIndexAssign(v, a.opSlice(3,4));
}
```
— Bastiaan.
