Changeset 76934fb for src/examples/iterator.h
- Timestamp:
- Jun 1, 2015, 12:55:33 PM (10 years ago)
- Branches:
- ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, ctor, deferred_resn, demangler, enum, forall-pointer-decay, gc_noraii, jacob/cs343-translation, jenkins-sandbox, master, memory, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, string, with_gc
- Children:
- 6db50d5
- Parents:
- 46cbfe1 (diff), db82596 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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src/examples/iterator.h
r46cbfe1 r76934fb 1 // 2 // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo 3 // 4 // The contents of this file are covered under the licence agreement in the 5 // file "LICENCE" distributed with Cforall. 6 // 7 // iterator.h -- 8 // 9 // Author : Richard C. Bilson 10 // Created On : Wed May 27 17:56:53 2015 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Wed May 27 18:41:57 2015 13 // Update Count : 3 14 // 15 1 16 #ifndef ITERATOR_H 2 17 #define ITERATOR_H … … 6 21 // An iterator can be used to traverse a data structure. 7 22 context iterator( type iterator_type, type elt_type ) { 8 9 // 10 11 23 // point to the next element 24 // iterator_type ?++( iterator_type * ); 25 iterator_type ++?( iterator_type * ); 26 iterator_type --?( iterator_type * ); 12 27 13 14 15 28 // can be tested for equality with other iterators 29 int ?==?( iterator_type, iterator_type ); 30 int ?!=?( iterator_type, iterator_type ); 16 31 17 18 32 // dereference to get the pointed-at element 33 lvalue elt_type *?( iterator_type ); 19 34 }; 20 35 21 36 context iterator_for ( type iterator_type, type collection_type, type elt_type | iterator( iterator_type, elt_type ) ) { 22 // 23 24 37 // [ iterator_type begin, iterator_type end ] get_iterators( collection_type ); 38 iterator_type begin( collection_type ); 39 iterator_type end( collection_type ); 25 40 }; 26 41 … … 30 45 // writes the range [begin, end) to the given stream 31 46 forall( type elt_type | writeable( elt_type ), 32 33 47 type iterator_type | iterator( iterator_type, elt_type ), 48 dtype os_type | ostream( os_type ) ) 34 49 void write_all( iterator_type begin, iterator_type end, os_type *os ); 35 50 36 51 forall( type elt_type | writeable( elt_type ), 37 type iterator_type | iterator( iterator_type, elt_type ),38 dtype os_type | ostream( os_type ) )52 type iterator_type | iterator( iterator_type, elt_type ), 53 dtype os_type | ostream( os_type ) ) 39 54 void write_reverse( iterator_type begin, iterator_type end, os_type *os ); 40 55 41 56 #endif // ITERATOR_H 57 58 // Local Variables: // 59 // tab-width: 4 // 60 // compile-command: "cfa iterator.c" // 61 // End: //
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