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use std::error::Error;
#[derive(Debug)]
pub enum WasmError {
WebGl2ContextCreation(String),
Shader(String),
WebGlBuffer(String),
}
impl std::fmt::Display for WasmError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
write!(f, "{}: {}", self.name(), self.description())
}
}
impl Error for WasmError {
fn description(&self) -> &str {
match self {
WasmError::WebGl2ContextCreation(msg) => msg,
WasmError::Shader(msg) => msg,
WasmError::WebGlBuffer(msg) => msg,
}
}
fn source(&self) -> Option<&'static dyn Error> { None }
}
impl WasmError {
pub fn name(&self) -> &str {
match self {
WasmError::WebGl2ContextCreation(_) => "WebGl2ContextCreationError",
WasmError::Shader(_) => "ShaderError",
WasmError::WebGlBuffer(_) => "WebGlBufferError",
}
}
}
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