Error using `equal` with various string types

[Jonathan M Davis]

On Sunday, February 24, 2013 04:39:55 Andrej Mitrovic wrote:
> It seems this doesn't work:
> 
> import std.algorithm;
> auto b1 = qual(["foo"d], ["foo"]);
> auto b2 = equal(["foo"d.dup], ["foo"]);
> 
> It's due to a constraint failure:
> is(typeof(r1.front == r2.front))
> 
> The first call is:
> immutable(dchar)[]
> string
> 
> The second:
> dchar[]
> string
> 
> Anyway can we make `equal` work with these? It would be really useful
> if it worked.

Well, if r1.front and r2.front can't be compared, what do you expect? You're 
trying to compare an array of dstrings and an array of strings. strings and 
dstrings aren't comparable. What you need is some sort of recursive equals.

- Jonathan M Davis