Macro trg_new_trigger_func

macro_rules! trg_new_trigger_func {
    ($func_name:ident, $arg_name:ident, $body:block) => { ... };
}

This macro generates a function that takes a reference to a Box<dyn Any> as an argument and returns a bool. The function body ($body) determines whether the condition is met.

Usage

Use for defining functions required to create a Trigger object.

Example

// Define a trigger function that print the argument than evaluate whether the argument is 5
tui_trg_new_trigger_func!(function_name, argument_name, {
    let number = *argument_name.downcast_ref::<u32>().unwrap();
    println!("{}", number);
    return number == 5;
});