Every Yeho
and YUI lever.

Console.Log("Hello from Yeho")

int answer = 40 + 2
Console.Log(Text.From(answer))

// Explain why, not what the next token says.
int lives = 3
text hero = "Nova";
Console.Log(hero)

.\tools\yeho.ps1 new console .\hello hello.app
.\tools\yeho.ps1 check .\hello
.\tools\yeho.ps1 run .\hello
.\tools\yeho.ps1 build .\hello

int score = 10
score = score + 5

text message = "Score: " + Text.From(score)
Console.Log(message)

text greeting = "hello\nworld"
char initial = 'Y'
int count = 42
float ratio = 1.5
bool ready = true
Pilot? selected = null

int enemies = 12
uint64 fileBytes = 4096
float32 speed = 7.5
decimal64 price = 19.95
bit3 tinyState = 5

text name = "Ada"
char grade = 'A'
bool admitted = Text.Length(name) > 0 and grade == 'A'
Console.Log(Text.From(admitted))

thing Point
{
    int x
    int y
}

Point spawn = Point(12, 8)
Console.Log(Text.From(spawn.x))

thing Point
{
    int x
    int y

    Point(int x = 0, int y = 0)
    {
        this.x = x
        this.y = y
    }

    Sum() -> int
    {
        return this.x + this.y
    }
}

Point point = Point(y: 5)
int total = point.Sum()

Add(int left, int right) -> int
{
    return left + right
}

Celebrate(text name)
{
    Console.Log("Great work, " + name)
}

int total = Add(20, 22)
Celebrate("Nova")

Move(text actor, int x, int y, bool animate = true)
{
    Console.Log(actor + " moved")
}

Move("Nova", 12, y: 7, animate: false)

Magnitude(Point extension value, int offset = 0) -> int
{
    return value.x + value.y + offset
}

Point point = Point(1, 5)
int size = point.Magnitude(offset: 7)

int damage = (baseDamage * multiplier) / 100
bool critical = damage >= 50
uint flags = (1 << 3) | (1 << 1)
bool exact = flags == 10

bool canEnter = hasKey and door.IsUnlocked()

if !canEnter or alarmActive
{
    Console.Log("Entry blocked")
}

if score >= 100
{
    Console.Log("Master")
}
else if score >= 50
{
    Console.Log("Builder")
}
else
{
    Console.Log("Begin")
}

int step = 0
while step < 4
{
    Console.Log(Text.From(step))
    step = step + 1
}

int attempt = 0
loop
{
    attempt = attempt + 1
    if attempt < 3 { next }
    Console.Log("Connected")
    end
}

for i from 0 < 4
{
    Console.Log(Text.From(i))
}

for (even from 0 <= 8 even + 2)
{
    Console.Log(Text.From(even))
}

list of int scores = [10, 20, 30]
for score at index in scores where score >= 20
{
    Console.Log(Text.Format("{0}: {1}", index, score))
}

map of text to int inventory = ["crystal" to 3, "key" to 1]
for name to amount in inventory
{
    Console.Log(name + ": " + Text.From(amount))
}

using graphics.image
using compute.tensor

external Describe(text name) -> text
{
    return "Hello " + name
}

package = "hello.app"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "console"

yehoc .\hello --check
yehoc .\hello --dump-project
yehoc .\hello --dump-ast
yehoc .\hello --dump-sema
yehoc .\hello --dump-truth
yehoc .\hello --dump-native-bridge

.\tools\yeho.ps1 format .\hello
.\tools\yeho.ps1 lint .\hello
.\tools\yeho.ps1 test .\hello
.\tools\yeho.ps1 inspect .\hello
.\tools\yeho.ps1 package .\hello