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update rand example

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This commit is contained in:
Andrew Kelley 2016-01-05 16:48:12 -07:00
parent bfb3e7fcb1
commit e21a83dd74
1 changed files with 5 additions and 2 deletions
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7
example/rand/main.zig
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@ -32,7 +32,7 @@ struct Rand {
var bytes_left = r.get_bytes_aligned(buf, count);
if (bytes_left > 0) {
var rand_val_array : [u8; #sizeof(u32)];
*(rand_val_array.ptr as &u32) = r.get();
*(rand_val_array.ptr as &u32) = r.get_u32();
while (bytes_left > 0) {
buf[count - bytes_left] = rand_val_array[#sizeof(u32) - bytes_left];
bytes_left -= 1;
@ -55,6 +55,9 @@ struct Rand {
return start + (rand_val % range);
}
}
// TODO detect simple constant in while loop and no breaks and turn it into unreachable
// type. then we can remove this unreachable.
unreachable;
}
fn generate_numbers(r: &Rand) {
@ -77,7 +80,7 @@ struct Rand {
var bytes_left = count;
var buf_ptr = buf;
while (bytes_left > 4) {
*(buf_ptr as &u32) = r.get();
*(buf_ptr as &u32) = r.get_u32();
bytes_left -= #sizeof(u32);
buf_ptr += #sizeof(u32);
}