[no description] https://git.osdyson.ru/mirror/pkgsrc/atom?h=TNF 2006-05-04T01:29:57Z 2006-05-04T01:29:57Z minskim minskim@pkgsrc.org 2006-05-04T01:29:57Z urn:sha1:ff359b68e2ecc82c445212a033a27232c0cd8991 Module Stream defines an interface for external iterators. A stream can be seen as an iterator on a sequence of objects x1, ..., xn. The state of the stream is uniquely determined by the following methods: at_beginning?, at_end?, current, and peek. State changes are done with the following operations: set_to_begin, set_to_end, forward, and backward.