func (opt *options) SourceMapFile() string { return C.GoString(C.sass_option_get_source_map_file(opt.optc())) }
// SassOptionGetSourceMapFile retrieves the source map file func SassOptionGetSourceMapFile(goopts SassOptions) string { p := C.sass_option_get_source_map_file(goopts) return C.GoString(p) }