Zig 0.17.0-dev (Split by item)

?

× Shortcut keys

?: Show these tips

S: Focus search field

Esc: Clear focus & close tips

U: Jump to source code

↑: Move up in search results

↓: Move down in search results

↵: Go to active search result

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Private Function

testAllocating

Doc Source

Private Function

std.Io.Writer.Allocating.testAllocating

fn testAllocating(comptime alignment: std.mem.Alignment) !void

Params

alignment: std.mem.Alignment

File

Io/Writer.zig:2890

    fn testAllocating(comptime alignment: std.mem.Alignment) !void {
        var a: Allocating = .initAligned(testing.allocator, alignment);
        defer a.deinit();
        const w = &a.writer;

        const x: i32 = 42;
        const y: i32 = 1234;
        try w.print("x: {}\ny: {}\n", .{ x, y });
        const expected = "x: 42\ny: 1234\n";
        try testing.expectEqualSlices(u8, expected, a.written());

        // exercise *Aligned methods
        var l = a.toArrayListAligned(alignment);
        defer l.deinit(testing.allocator);
        try testing.expectEqualSlices(u8, expected, l.items);
        a = .fromArrayListAligned(testing.allocator, alignment, &l);
        try testing.expectEqualSlices(u8, expected, a.written());
        const slice: []align(alignment.toByteUnits()) u8 = @alignCast(try a.toOwnedSlice());
        try testing.expectEqualSlices(u8, expected, slice);
        a = .initOwnedSliceAligned(testing.allocator, alignment, slice);
        try testing.expectEqualSlices(u8, expected, a.writer.buffer);
    }