-- DreamStack built-in functions test
-- Tests array, math, string, and conversion builtins

let items = [1, 2, 3, 4, 5]
let name = "DreamStack"

-- Array operations
let count = len(items)
let has_three = contains(items, 3)

-- Math operations 
let x = floor(3.7)
let y = ceil(2.1)
let small = min(10, 5)
let big = max(10, 5)
let clamped = clamp(15, 0, 10)
let dist = sqrt(pow(3, 2) + pow(4, 2))

-- String operations
let upper_name = upper(name)
let lower_name = lower(name)

-- Console
log("count:", count)
log("distance:", dist)

view main =
  column [
    text "Built-in Functions"
    text "Items: {count}"
    text "Has 3: {has_three}"
    text "floor(3.7) = {x}"
    text "ceil(2.1) = {y}" 
    text "min(10,5) = {small}"
    text "max(10,5) = {big}"
    text "clamp(15,0,10) = {clamped}"
    text "sqrt(3²+4²) = {dist}"
    text "upper = {upper_name}"
    text "lower = {lower_name}"
    button "Push 6" { click: push(items, 6) }
    button "Pop" { click: pop(items) }
    text "Length: {len(items)}"
  ]