/tutorial/agent/example5.e

 1class EXAMPLE5
 2   --
 3   -- There is also a `for_all' routine in COLLECTION (i.e. ARRAY,
 4   -- FAST_ARRAY, LINKED_LIST, TWO_WAY_LINKED_LIST).
 5   -- You can watch the result using sedb, the Liberty Eiffel DeBugger.
 6   --
 7
 8create {ANY}
 9   make
10
11feature {ANY}
12   make
13      local
14         my_array: ARRAY[INTEGER]; bool: BOOLEAN
15      do
16         my_array := {ARRAY[INTEGER] 1, << 2, 3, 4 >> }
17         bool := my_array.for_all(agent greater_than(?, 1))
18         sedb_breakpoint
19         bool := my_array.for_all(agent greater_than(1, ?))
20         sedb_breakpoint
21         bool := my_array.exists(agent greater_than(4, ?))
22         sedb_breakpoint
23         bool := my_array.exists(agent greater_than(?, 4))
24         sedb_breakpoint
25      end
26
27feature {}
28   greater_than (item, value: INTEGER): BOOLEAN
29      do
30         Result := item > value
31      end
32
33end -- class EXAMPLE5