mirror of
https://github.com/ziglang/zig.git
synced 2024-11-30 17:12:31 +00:00
5619ce2406
Conflicts:
* doc/langref.html.in
* lib/std/enums.zig
* lib/std/fmt.zig
* lib/std/hash/auto_hash.zig
* lib/std/math.zig
* lib/std/mem.zig
* lib/std/meta.zig
* test/behavior/alignof.zig
* test/behavior/bitcast.zig
* test/behavior/bugs/1421.zig
* test/behavior/cast.zig
* test/behavior/ptrcast.zig
* test/behavior/type_info.zig
* test/behavior/vector.zig
Master branch added `try` to a bunch of testing function calls, and some
lines also had changed how to refer to the native architecture and other
`@import("builtin")` stuff.
28 lines
789 B
Zig
28 lines
789 B
Zig
const expect = @import("std").testing.expect;
|
|
const mem = @import("std").mem;
|
|
const fmt = @import("std").fmt;
|
|
|
|
const ET = union(enum) {
|
|
SINT: i32,
|
|
UINT: u32,
|
|
|
|
pub fn print(a: *const ET, buf: []u8) anyerror!usize {
|
|
return switch (a.*) {
|
|
ET.SINT => |x| fmt.formatIntBuf(buf, x, 10, false, fmt.FormatOptions{}),
|
|
ET.UINT => |x| fmt.formatIntBuf(buf, x, 10, false, fmt.FormatOptions{}),
|
|
};
|
|
}
|
|
};
|
|
|
|
test "enum with members" {
|
|
const a = ET{ .SINT = -42 };
|
|
const b = ET{ .UINT = 42 };
|
|
var buf: [20]u8 = undefined;
|
|
|
|
try expect((a.print(buf[0..]) catch unreachable) == 3);
|
|
try expect(mem.eql(u8, buf[0..3], "-42"));
|
|
|
|
try expect((b.print(buf[0..]) catch unreachable) == 2);
|
|
try expect(mem.eql(u8, buf[0..2], "42"));
|
|
}
|