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Update sentinel type for v0.10.0

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Fixes

.../076_sentinels.zig:95:30: error: incompatible types:
  'u32' and '?*const anyopaque':
    while (my_seq[i] != my_sentinel) {
This commit is contained in:
Dave Gauer 2022-03-19 19:38:05 -04:00
parent 3f922a3529
commit f34b6aa024
3 changed files with 13 additions and 6 deletions
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10
README.md
View file

@ -41,7 +41,7 @@ Verify the installation and build number of `zig` like so:
```bash
$ zig version
0.9.0-dev.2025+xxxxxxxxx
0.10.0-dev.1427+xxxxxxxxx
```
Clone this repository with Git:
@ -62,7 +62,7 @@ $ zig build
The Zig language is under very active development. In order to be current,
Ziglings tracks **development** builds of the Zig compiler rather than
versioned **release** builds. The last stable release was `0.8.1`, but Ziglings
needs a dev build with pre-release version "0.9.0" and a build number at least
needs a dev build with pre-release version "0.10.0" and a build number at least
as high as that shown in the example version check above.
It is likely that you'll download a build which is _greater_ than the minimum.
@ -80,7 +80,13 @@ about input:
[no tab characters or Windows CR/LF newlines are allowed](https://github.com/ziglang/zig/issues/544).
### Version Changes
..
./patches/healed/076_sentinels.zig:95:30: error: incompatible
types: 'u32' and '?*const anyopaque'
while (my_seq[i] != my_sentinel) {
9
* 2022-03-19 0.10.0-dev.1427 - method for getting sentinel of type changed
* 2021-12-20 0.9.0-dev.2025 - `c_void` is now `anyopaque`
* 2021-06-14 0.9.0-dev.137 - std.build.Id `.Custom` is now `.custom`
* 2021-04-21 0.8.0-dev.1983 - std.fmt.format() `any` format string required

2
build.zig
View file

@ -8,7 +8,7 @@ const print = std.debug.print;
// When changing this version, be sure to also update README.md in two places:
// 1) Getting Started
// 2) Version Changes
const needed_version = std.SemanticVersion.parse("0.9.0-dev.2025") catch unreachable;
const needed_version = std.SemanticVersion.parse("0.10.0-dev.1427") catch unreachable;
const Exercise = struct {
/// main_file must have the format key_name.zig.

7
exercises/076_sentinels.zig
View file

@ -39,6 +39,7 @@
// data being terminated!
//
const print = @import("std").debug.print;
const sentinel = @import("std").meta.sentinel;
pub fn main() void {
// Here's a zero-terminated array of u32 values:
@ -71,12 +72,12 @@ pub fn main() void {
// complete, but there are a couple missing bits. Please fix
// them!
fn printSequence(my_seq: anytype) void {
const my_type = @typeInfo(@TypeOf(my_seq));
const my_typeinfo = @typeInfo(@TypeOf(my_seq));
// The TypeInfo contained in my_type is a union. We use a
// switch to handle printing the Array or Pointer fields,
// depending on which type of my_seq was passed in:
switch (my_type) {
switch (my_typeinfo) {
.Array => {
print("Array:", .{});
@ -87,7 +88,7 @@ fn printSequence(my_seq: anytype) void {
},
.Pointer => {
// Check this out - it's pretty cool:
const my_sentinel = my_type.Pointer.sentinel;
const my_sentinel = sentinel(@TypeOf(my_seq));
print("Many-item pointer:", .{});
// Loop through the items in my_seq until we hit the