string and char[] conflict

[Johan Granberg]

qadasd wrote:

> I use a foreach to iterate thourgh the lines of a text file:
> 
> foreach(ulong lnumber, char[] line; input)
> 
> and I use std.string:strip() to take out unnecessary spaces:
> 
> line=strip(line);
> 
> Which gives out the following error:
> test.d(142): function std.string.strip (invariant(char)[]) does not
> match parameter types (char[])
> test.d(142): Error: cannot implicitly convert expression (line) of type
> char[] to invariant(char)[]
> test.d(142): Error: cannot implicitly convert expression
> (strip(cast(invariant(char)[])line)) of type invariant(char)[] to char[]
> 
> changing the line will correct the problem:
> 
> line=strip(line.idup).dup;
> 
> Is there a cleaner way to do this?
> 
> I tried using
> 
> foreach(ulong lnumber, string line; input)
> 
> but it wont compile:
> 
> test.d(136): function std.stream.InputStream.opApply (int delegate(ref
> char[] line)) does not match parameter
>   types (int delegate(ref ulong __applyArg0, ref invariant(char)[]
> __applyArg1))
> test.d(136): Error: cannot implicitly convert expression
> (__foreachbody15) of type int delegate(ref ulong __a
> pplyArg0, ref invariant(char)[] __applyArg1) to int delegate(ref ulong
> n, ref wchar[] line)
> 
> As you might have assumed, im using lastest DMD2.

foreach(u,l;args)
                strip(cast(string)l);

this works (if this is the only reference to the data) but it requiers an
ugly cast and