dmd/compiler/test/fail_compilation/fail13574.d
2022-07-09 18:53:07 +02:00

29 lines
638 B
D

/*
TEST_OUTPUT:
---
fail_compilation/fail13574.d(21): Error: cannot modify operator `$`
fail_compilation/fail13574.d(27): Error: cannot modify operator `$`
---
*/
struct Foo
{
void opSlice(size_t a, size_t b) { }
alias opDollar = length;
size_t length;
}
void main()
{
Foo foo;
foo[0 .. foo.length = 1];
assert(foo.length == 1);
foo[0 .. $ = 2]; // assigns to the temporary dollar variable
//assert(foo.length == 2);
int[] arr = [1,2,3];
auto x = arr[0 .. arr.length = 1];
assert(arr.length == 1);
auto y = arr[0 .. $ = 2]; // should also be disallowed
//assert(arr.length == 2);
}