41 lines
1.2 KiB
Rust
41 lines
1.2 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// In this case, the code should compile and should
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// succeed at runtime
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use vec::{head, is_not_empty, last, same_length, zip};
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fn enum_chars(start: u8, end: u8) -> ~[char] {
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assert start < end;
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let mut i = start;
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let mut r = ~[];
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while i <= end { r.push(i as char); i += 1u as u8; }
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return r;
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}
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fn enum_uints(start: uint, end: uint) -> ~[uint] {
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assert start < end;
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let mut i = start;
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let mut r = ~[];
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while i <= end { r.push(i); i += 1u; }
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return r;
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}
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fn main() {
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let a = 'a' as u8, j = 'j' as u8, k = 1u, l = 10u;
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let chars = enum_chars(a, j);
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let ints = enum_uints(k, l);
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let ps = zip(chars, ints);
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assert (head(ps) == ('a', 1u));
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assert (last(ps) == (j as char, 10u));
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}
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