alias with lambda syntax: alias fun2=a=>fun(a);

[Timothee Cour via Digitalmars-d-learn]

Is there a way to do this?

import std.algorithm;

auto fun(T)(T a){return a;}

template fun2(T){auto fun2(T a){return fun(a);}}//OK but heavy syntax and
cannot be nested inside test()

void main(){
  //alias fun2=fun!int; //OK but needs to specify template params
  //none of those work:
  //alias fun2=a=>fun(a);
  //alias fun2(T)=(T a)=>fun(a);
  //alias fun2(T)=(T a){return fun(a);}
  auto b=[1].map!fun2;
  assert(b.equal([1]));
}
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