appender!(dchar[]) put fail

[Quentin Ladeveze via Digitalmars-d-learn]

On Saturday, 13 June 2015 at 10:45:58 UTC, kerdemdemir wrote:
> I have two strings(stringB,stringC) which I need to 
> repeat(bCount times, cCountTimes) and then chain.
>
> auto charAppender = appender!(dchar[]);
> auto totalStr = 
> stringB.repeat(bCount).chain(stringC.repeat(cCount));
>
> This compiles and works ok,
> But when I try to append new string to charAppender :
>
> charAppender.put(totalStr);	
> Error: template std.array.join cannot deduce function from 
> argument types
>
> I tried:
> charAppender.put(totalStr.array());
> charAppender.data.chain(totalStr);
> charAppender.data.chain(totalStr.array()); etc...
>
> I always get compile errors.
> Do you have any idea or fix about that?
>
> Also what is the difference between algorithm.joiner without 
> seperator and range.chain?
>
> ////////////////////////////////////////////////////////////////////////////
> As requested before, this time I will copy full code,
> ////////////////////////////////////////////////////////////////////////////
> int[dchar] mapA;
> int includeCounter(T)(T tuple)
> {
> 	int curMax = 100000;
> 	
> 	foreach ( elem ; tuple )	
> 	{
> 		int numberInA = 0;
> 		if (elem[0] in mapA)
> 			numberInA = mapA[elem[0]] ;
> 		else
> 		{
> 			curMax = 0;
> 			break;
> 		}
> 		
> 		if (  numberInA < elem[1] )
> 		{
> 			curMax = 0;
> 			break;
> 		}
> 		else
> 		{
> 			auto newCount = numberInA / elem[1];
> 			if ( newCount < curMax )
> 				curMax = newCount;
> 		}
> 	}
> 	if (curMax > 0)
> 	{
> 		foreach (  elem ; tuple )	
> 		{
> 			mapA[elem[0]] -= curMax;
> 		}
> 	}
> 	
> 	return curMax;	
> }
>
> void readInput()
> {
> 	size_t lineSize;
>
> 	auto stringA = stdin.readln.chomp().map!( a => 
> to!dchar(a)).array();
> 	auto stringB = stdin.readln.chomp().map!( a => 
> to!dchar(a)).array();
> 	auto stringC = stdin.readln.chomp().map!( a => 
> to!dchar(a)).array();
> 	
> 	foreach ( elem ; stringA)
> 		mapA[elem]++;
> 	
> 	auto tupleB = stringB.group();
> 	auto tupleC = stringC.group();
>
> 	auto bCount = includeCounter( tupleB );
> 	auto cCount = includeCounter( tupleC );
>
> 	auto charAppender = appender!(dchar[]);
> 	foreach ( elem ; mapA.keys)
> 	{
> 		int* count = &mapA[elem];
> 		if ( *count > 0)
> 		{
> 			while((*count)--)
> 				charAppender.put(elem) ;
> 		}
> 	}
>
> 	auto totalStr = 
> stringB.repeat(bCount).chain(stringC.repeat(cCount));
> 	charAppender.put(totalStr);	
> }
>
> void main(  string[] args )
> {
> 	readInput();
> }

The problem is that your appender is a char appender, and you try 
to put a dstring into it. Replace :

charAppender.put(totalStr);

by :

foreach(elem; totalStr){
    charAppender.put(elem);
}

elem will be a dchar, so it will work.