pyrser/hooks/set.py
def get_subnode(self, dst, ast, expr):
    """
        get the value of subnode

        example::

            R = [
                __scope__:big  getsomethingbig:>big
                #get(_, big, '.val') // copy big.val into _
            ]
    """
    dst.value = eval('ast' + expr)
    return True
def get_subnode(self, dst, ast, expr):
    dst.value = eval('ast' + expr)
    return True
def get_subnode ( self , dst , ast , expr ) : dst . value = eval ( 'ast' + expr ) return True
get the value of subnode

        example::

            R = [
                __scope__:big  getsomethingbig:>big
                #get(_, big, '.val') // copy big.val into _
            ]
get the value of subnode