On Tuesday, 8 May 2018 at 22:31:10 UTC, Yuxuan Shui wrote:
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This doesn't compile for me on run.dlang.io:onlineapp.d(22): Error: template onlineapp.f cannot deduce function from argument types !()(B), candidates are:
onlineapp.d(1): onlineapp.f(T)(immutable T a)
