1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2009 Jean Privat <jean@pryen.org>
5 # This file is free software, which comes along with NIT. This software is
6 # distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
7 # without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
8 # PARTICULAR PURPOSE. You can modify it is you want, provided this header
9 # is kept unaltered, and a notification of the changes is added.
10 # You are allowed to redistribute it and sell it, alone or is a part of
13 # This module define several collection classes.
20 import hash_collection
23 redef class Sequence[E
]
25 # Copy the content of `self` between `start` and `len` to a new Array.
26 fun subarray
(start
, len
: Int): Array[E
]
28 var a
= new Array[E
].with_capacity
(len
)
29 for i
in [start
.. start
+len
[ do a
.add
(self[i
])