Unwrap Macros to help Clean up code and improve production.

Last update: Nov 1, 2021

Related tags

Overview

unwrap_helpers

Unwrap Macros to help Clean up code and improve production. This does include a pub use of https://github.com/Mrp1Dev/loop_unwrap to gain access to unwrap loop macros.

/// Works like .unwrap, if it's an Err(_) or None it calls return. /// Will return no data or data. Can use Closures or functions that returns the parent functions return type.

Examples

fn ret_test_fail() -> i32 {
    let opt = None;

    let _ = unwrap_or_return!(opt, 0);

    1
}

fn ret_as_option_fail() -> Option<i32> {
    let opt = None;

    let _ = unwrap_or_return!(opt, Some(0));

    None
}

fn test_send(x: i32) -> i32 {
    x + 1
}

fn ret_fn_fail() -> i32 {
    let x = 5;
    let opt = None;

    let _ = unwrap_or_return!(opt, test_send(x));

    1
}

fn ret_closure_fail() -> i32 {
    let x = 5;
    let opt = None;

    let _ = unwrap_or_return!(opt, || x + 1);

    1
}

fn ret_closure_ret_fail() -> i32 {
    let x = 5;
    let opt = None;

    let _ = unwrap_or_return!(opt, || -> i32 { x + 1 });

    1
}

fn ret_closure_ret_fail_insert() -> i32 {
    let x = 5;
    let opt = None;

    let _ = unwrap_or_return!(opt, |x1| x1 + 1, x);

    1
}

fn test_no_return() {
    let input = Option::None;
    let parsed_input = unwrap_or_return!(input);
}

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Comments

Change unwrap_or_return to be a proc macro, allowing for better closu…

Change unwrap_or_return to be a proc macro. Allows for better closure support and overall support for all kinds of expressions.

I had to create a separate crate within the project because proc macro crates don't allow you to export anything besides the macros and we want to still export loop_unwrap as well.

opened by Stefanowhb 0

Unwrap Macros to help Clean up code and improve production.

Related tags

Overview

unwrap_helpers

Examples

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