module java.util.Arrays;

import java.lang.all;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;

class Arrays {
    public static bool equals(T)(T[] a, T[] b){
        if( a.length !is b.length ){
            return false;
        }
        for( int i = 0; i < a.length; i++ ){
            if( a[i] is null && b[i] is null ){
                continue;
            }
            if( a[i] !is null && b[i] !is null && a[i] == b[i] ){
                continue;
            }
            return false;
        }
        return true;
    }
/+    public static bool equals(Object[] a, Object[] b){
        if( a.length !is b.length ){
            return false;
        }
        for( int i = 0; i < a.length; i++ ){
            if( a[i] is null && b[i] is null ){
                continue;
            }
            if( a[i] !is null && b[i] !is null && a[i] == b[i] ){
                continue;
            }
            return false;
        }
        return true;
    }
+/
    static void sort( T )( T[] a, Comparator c ){
        static if( is( T : char[] )){
            bool isLess( String o1, String o2 ){
                return c.compare( stringcast(o1), stringcast(o2) ) < 0;
            }
        }
        else{
            bool isLess( T o1, T o2 ){
                return c.compare( cast(Object)o1, cast(Object)o2 ) < 0;
            }
        }
        tango.core.Array.sort( a, &isLess );
    }
    static List    asList(Object[] a) {
        if( a.length is 0 ) return Collections.EMPTY_LIST;
        ArrayList res = new ArrayList( a.length );
        foreach( o; a ){
            res.add(o);
        }
        return res;
    }
    public static void fill( String str, char c ){
        str[] = c;
    }
}