StelLang: Features & Examples

By Mahesh

Explore the power and simplicity of StelLang with these up-to-date features and code examples.

Key Features​

• Simple, Pythonic Syntax: Easy to read and write.
• Functional & Procedural: Mix paradigms as needed.
• Async/Await: Write non-blocking code with ease.
• Pattern Matching: Powerful control flow for complex data.
• Gradual Typing: Choose static or dynamic typing.
• Lambdas & Decorators: Expressive, modern constructs.
• Robust Exception System: Handle errors gracefully.
• Built-in Package Manager: Manage dependencies with stel.rs.

Examples​

Hello World​

print("hello world!")

Math​

let x = 10
let y = 20
print(x + y)

If-Else​

let x = true
if x {
    print("True!")
} else {
    print("False!")
}

Lambda​

let add = lambda(a, b) {
    return a + b
}
print(add(5, 7))

Async/Await​

async def fetch_data() {
    // Simulate async work
    return 42
}
let result = await fetch_data()
print(result)

Pattern Matching​

let value = 7
match value {
    0 => print("Zero"),
    1..10 => print("Between 1 and 10"),
    _ => print("Other")
}

Gradual Typing​

def add(a: int, b: int) -> int {
    return a + b
}
print(add(2, 3))

See the full documentation for more!