local h = require("h").h
local reactive = require("reactive")

local count, setCount = reactive.signal(0)

local root = h("div", {},
    h("h2", {}, "Counter"),
    h("p", {}, function()
        return "Count: " .. count()
    end),
    h("button", {
        onClick = function() setCount(count()-1) end,
    }, "-"),
    h("button", {
        onClick = function() setCount(count()+1) end,
    }, "+")
)

dom.mount(root, "#app")

One signal, two handlers. The text node closure re-runs whenever count changes — no virtual DOM diff.