The following code fails to compile:
void foo (inout int[] arr)
{
auto dg = {
foreach (i, e ; arr) {}
};
dg();
}
void main ()
{
auto a = [3, 4, 5];
foo(a);
}
Error message:
main.d(9): Error: variable main.foo.__lambda1.__aggr1174 inout variables can only be declared inside inout functions
main.d(9): Error: variable main.foo.__lambda1.e inout variables can only be declared inside inout functions