Rectangular or 2d associative arrays

[Frits van Bommel]

Falk Henrich wrote:
> David Freitas wrote:
> 
>>          int[char] x;         // Visually: = ['a':1, 'b':2] // associative
>>          array x['b'] = 123;
>>          writefln(x);  // this prints out: [b:2063597568]
>>          writefln(x['b']); // this prints out: 123
>>
>> This just doesn't seem intuitive to me? Why is there a "garbage" value
>> being printed out?
> 
> What would you expect D to print out? How can the language know how to
> interpet arrays of some type? Hard coding some special output format for
> all types of arrays into the language is not a wise idea.

Writef(ln) and other functions that do formatting use the TypeInfo 
provided by their varargs to construct readable representations of their 
parameters. This case just seems to be buggy.