Function bevy::prelude::warn

pub fn warn<E>(_: In<Result<(), E>>)where
    E: Debug,

System adapter that utilizes the bevy_utils::tracing::warn! macro to print the output of a system.

Examples

use bevy_ecs::prelude::*;

// Building a new schedule/app...
sched.add_system(
        // Prints system warning if system returns an error.
        warning_pipe_system.pipe(system_adapter::warn)
    )
    // ...

// A system that returns a Result<(), String> output.
fn warning_pipe_system() -> Result<(), String> {
    Err("Got to rusty?".to_string())
}