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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

constructInput

Doc Source

Private Function

std.testing.Smith.constructInput

fn constructInput(comptime values: []const union(enum)

Params

values: []const union(enum) { eos: bool, int: u64, bytes: []const u8, slice: []const u8, }

File

testing/Smith.zig:674

fn constructInput(comptime values: []const union(enum) {
    eos: bool,
    int: u64,
    bytes: []const u8,
    slice: []const u8,
}) []const u8 {
    const result = comptime result: {
        var result: [
            len: {
                var len = 0;
                for (values) |v| len += switch (v) {
                    .eos => 1,
                    .int => 8,
                    .bytes => |b| b.len,
                    .slice => |s| 4 + s.len,
                };
                break :len len;
            }
        ]u8 = undefined;
        var w: std.Io.Writer = .fixed(&result);

        for (values) |v| switch (v) {
            .eos => |e| w.writeByte(@intFromBool(e)) catch unreachable,
            .int => |i| w.writeInt(u64, i, .little) catch unreachable,
            .bytes => |b| w.writeAll(b) catch unreachable,
            .slice => |s| {
                w.writeInt(u32, @intCast(s.len), .little) catch unreachable;
                w.writeAll(s) catch unreachable;
            },
        };

        break :result result;
    };
    return &result;
}