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// Accepts any type T as its argument which satisfies 'static lifetime trait bounds.
fn generic<T: 'static>(v: T) {}

// 1. No references.
struct NoReferences(String);

// 2. Includes a 'static lifetime reference.
struct IncludesStaticRef(&'static str);

// 3. Inclues a lifetime reference named 'a

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fn generic<T>(x: T) where T: 'static { ... }

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let x: &'static str = "Hello, world.";

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#![feature(prelude_import)]
#[prelude_import]
use std::prelude::rust_2021::*;
#[macro_use]
extern crate std;
use pyo3::prelude::*;
/// Formats the sum of two numbers as string.
fn sum_as_string(a: usize, b: usize) -> PyResult<String> {
    Ok((a + b).to_string())
}

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use pyo3::prelude::*;

/// Formats the sum of two numbers as string.                                                                                                                                                                                                 
#[pyfunction]
fn sum_as_string(a: usize, b: usize) -> PyResult<String> {
    Ok((a + b).to_string())
}

/// A Python module implemented in Rust.                                                                                                                                                                                                      
#[pymodule]

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[build-system]
requires = ["maturin>=1.0,<2.0"]
build-backend = "maturin"

[project]
name = "my-first-pyo3"
requires-python = ">=3.7"
classifiers = [
    "Programming Language :: Rust",
    "Programming Language :: Python :: Implementation :: CPython",

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[package]
name = "my-first-pyo3"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html                                                                                                                                              
[lib]
name = "my_first_pyo3"
crate-type = ["cdylib"]

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void a_function();

int main() {
  a_function();
}

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#include <stdio.h>

void a_function() {
  printf("This is a_function!\n");
}

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from time import sleep

delta = {
  1: {
    0: ( 1,  1,  2),
    1: ( 2, -1,  1),
    2: ( 1, -1,  1)
  },
  2: {
    0: ( 2, -1,  1),