https://issues.dlang.org/show_bug.cgi?id=17273
Issue ID: 17273 Summary: why is a const range not a range Product: D Version: D2 Hardware: x86 OS: Linux Status: NEW Severity: critical Priority: P1 Component: phobos Assignee: nob...@puremagic.com Reporter: sahmi.soulaim...@gmail.com the following code works for me. the second assert should fail: import std.range; unittest { static assert(isInputRange!(InputRange!int)); static assert(!isInputRange!(const(InputRange!int))); } $ dmd --version DMD32 D Compiler v2.073.0 Copyright (c) 1999-2016 by Digital Mars written by Walter Bright --