get the length of the path , i.e. the number of steps concode_field_sep Array<Step> steps concode_elem_sep int x concode_elem_sep int y concode_field_sep int getX concode_elem_sep int getX concode_elem_sep boolean contains concode_elem_sep int getY concode_elem_sep int getY concode_elem_sep void prependStep concode_elem_sep int hashCode concode_elem_sep Step getStep concode_elem_sep boolean equals concode_elem_sep void appendStep
int function ( ) { return steps . size ; }