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use thiserror::Error;
#[derive(Debug, Error)]
pub enum Error {
#[error("Duplicate metrics collector registration attempted")]
AlreadyReg,
#[error("Inconsistent label cardinality, expect {expect} label values, but got {got}")]
InconsistentCardinality {
expect: usize,
got: usize,
},
#[error("Error: {0}")]
Msg(String),
#[error("Io error: {0}")]
Io(#[from] std::io::Error),
#[cfg(feature = "protobuf")]
#[error("Protobuf error: {0}")]
Protobuf(#[from] protobuf::error::ProtobufError),
}
pub type Result<T> = std::result::Result<T, Error>;