shadiertoy 0.1.0

A shadertoy rip-off.
Documentation 
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pub use gfx::PipelineStateError;
pub use std::result;
use std::{error, fmt};

/// Crate result type.
pub type Result<T> = result::Result<T, Error>;

/// Crate error type.
#[derive(Debug)]
pub enum Error {
    /// Something bad happened with the shader.
    ///
    /// It's usually a variable mismatch or a typo in the shader.
    Pipeline(PipelineStateError<String>),
}

impl From<PipelineStateError<String>> for Error {
    fn from(error: PipelineStateError<String>) -> Error {
        Error::Pipeline(error)
    }
}

impl error::Error for Error {
    fn cause(&self) -> Option<&error::Error> {
        match self {
            Error::Pipeline(err) => Some(err),
        }
    }
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            Error::Pipeline(err) => err.fmt(f),
        }
    }
}