On Tuesday, 7 June 2016 at 03:55:03 UTC, none wrote:
import std.algorithm.iteration : map;
import std.algorithm : castSwitch;
import std.format : format;
class A { int value; this(int value) { this.value = value; }}
interface I { }
class B : I { }
Object[] arr = [new A(5), new
import std.algorithm.iteration : map;
import std.algorithm : castSwitch;
import std.format : format;
class A { int value; this(int value) { this.value = value; }}
interface I { }
class B : I { }
Object[] arr = [new A(5), new B(), null];
auto results = arr.map!(castSwitch!(
