40 lines
878 B
Rust
40 lines
878 B
Rust
// In this case, the code should compile and should
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// succeed at runtime
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use std;
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import uint;
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import u8;
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import vec::*;
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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 += [i as char]; i += 1u as u8; }
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ret 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 += [i]; i += 1u; }
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ret 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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// Silly, but necessary
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check (u8::le(a, j));
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check (uint::le(k, l));
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let chars = enum_chars(a, j);
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let ints = enum_uints(k, l);
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check (same_length(chars, ints));
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let ps = zip(chars, ints);
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check (is_not_empty(ps));
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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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