digitalmars.D.bugs - [Issue 17987] New: Cannot use string in Variant at compile time
- d-bugmail puremagic.com (32/32) Nov 17 2017 https://issues.dlang.org/show_bug.cgi?id=17987
https://issues.dlang.org/show_bug.cgi?id=17987 Issue ID: 17987 Summary: Cannot use string in Variant at compile time Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: phobos Assignee: nobody puremagic.com Reporter: issues.dlang jmdavisProg.com This code ========== import std.variant; Variant v = "hello"; void main() { } ========== results in this error: /usr/local/include/dmd/std/variant.d(624): Error: memcpy cannot be interpreted at compile time, because it has no available source code /usr/local/include/dmd/std/variant.d(559): called from here: this.opAssign(value) q.d(3): called from here: VariantN(& handler, cast(ubyte)0u, ).this("hello") I would _think_ that it could be made to work without memcpy, but I don't know. Regardless, the use of memcpy restricts the ability to use Variant at compile time. So ideally, Variant would be fixed so that the example here worked. --
Nov 17 2017