public static function stack(string $stack)
    {
        if (! static::hasStack($stack)) {
            static::$stacks[$stack] = new StickyContextStack;
        }

        return static::$stacks[$stack];
    }
public static function stack(string $stack)
    {
        if (! static::hasStack($stack)) {
            static::$stacks[$stack] = new StickyContextStack;
        }

        return static::$stacks[$stack];
    }
public static function stack ( string $ stack ) { if ( ! static :: hasStack ( $ stack ) ) { static :: $ stacks [ $ stack ] = new StickyContextStack ; } return static :: $ stacks [ $ stack ] ; }
Retrieve a named stack.

@param string $stack
@return \Decahedron\StickyLogging\StickyContextStack
Retrieve a named stack .