comment.zig

const std = @import("std");
const meta = std.meta;

const Example = struct {
    foo: []const u8,
    bar: i32,

    const docs = std.EnumArray(
        meta.FieldEnum(Example),
        // 👇 type of value of metadata checked at comptime, can be any type declared
        []const u8,
    ).init(
        .{
            .foo = "foo will do a thing",
            .bar = "bar will do this other thing",
            //👇 will fail at comptime if struct field is omitted here declared here but not in struct
            //.otherfield
        },
    );
};

pub fn main() void {
    std.debug.print(
        "{s}",
        //👇 will fail at comptime if passed invalid field ref
        .{Example.docs.get(.baz)},
    );
}