import std.stdio;

​

void fooImpl(char token, T)(const T line)

{

    writefln("%s%s%s", token, line, token);

}

​

alias a(T) = fooImpl!('"', T);

template as(T)

{

    alias as = fooImpl!('"', T);

}

alias b(T) = fooImpl!('\'', T);

​

void main()

{

    auto quoteFooString = &fooImpl!('"', string);

    auto singlequoteFooString = &fooImpl!('\'', string);

    quoteFooString("test quote");

    singlequoteFooString("test single quote");

    import std.meta;

    // std/meta.d(1232): Error: template instance `Template!'"'` does not match template

    alias quoteFoo = ApplyLeft!(fooImpl, '"', AliasSeq!(int));

    quoteFoo(3);

}