Trait near_sdk::FunctionError

source · 
pub trait FunctionError {
    // Required method
    fn panic(&self) -> !;
}
Expand description

Enables contract runtime to panic with the given type. Any error type used in conjunction with #[handle_result] has to implement this trait.

use near_sdk::FunctionError;

enum Error {
    NotFound,
    Unexpected { message: String },
}

impl FunctionError for Error {
    fn panic(&self) -> ! {
        match self {
            Error::NotFound =>
                near_sdk::env::panic_str("not found"),
            Error::Unexpected { message } =>
                near_sdk::env::panic_str(&format!("unexpected error: {}", message))
        }
    }
}

Required Methods§

source

fn panic(&self) -> !

Implementors§