Spasm - webassembly libary for single page applications

[a11e99z]

On Friday, 12 October 2018 at 19:43:25 UTC, Sebastiaan Koppe 
wrote:
> I like to announce Spasm https://github.com/skoppe/spasm
>

hi. can not compile for Windows

DUB used first time.
LDC ver 1.16.0.
> C:\temp\D\test_spasm>where dub.exe
> C:\programz\D\ldc2\bin\dub.exe
> C:\programz\D\dmd2\windows\bin\dub.exe

https://github.com/skoppe/spasm#how-to-start OK
https://github.com/skoppe/spasm#how-to-compile-your-application 
ERROR
> C:\temp\D\test_spasm>dub build --compiler=ldc2 --build=release
> Performing "release" build using ldc2 for x86_64.
> bolts 0.11.1: target for configuration "library" is up to date.
> optional 0.10.1: target for configuration "unittest" is up to 
> date.
> stdx-allocator 2.77.3: target for configuration "library" is up 
> to date.
> spasm 0.1.13: target for configuration "library" is up to date.
> test_spasm ~master: building configuration "application"...
> Error: unrecognized file extension lib               <<<<<<<<   
> ??????
> ldc2 failed with exit code 1.

and I have some questions:
- can DUB generate VisualD project?
- spasm contains some GC-allocator. can I use "hello" ~ 
123.to!string or something? or I can use string literals only 
without some kind of string builder?