elikar 0.1.9

A rust asynchronous ECS game engine
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use crate::common::from_sdl_string;
use sdl2_sys::SDL_GetError;
use std::error::Error;
use std::fmt::{Display, Formatter};

#[derive(Debug, Default, Clone, Hash, Eq, PartialEq)]
pub struct SdlError(String);

pub type Result<T> = std::result::Result<T, SdlError>;

impl SdlError {
    pub fn get() -> SdlError {
        unsafe {
            let err_msg = SDL_GetError();
            SdlError(from_sdl_string(err_msg))
        }
    }

    pub fn as_str(&self) -> &str {
        self.0.as_str()
    }

    pub fn to_string(self) -> String {
        self.0
    }
}

impl Display for SdlError {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "SDL error:{}", self.0)
    }
}

impl Error for SdlError {}