Derive Macro Error 

#[derive(Error)]
{
    // Attributes available to this derive:
    #[error]
    #[from]
    #[source]
}

Re-export the derive macro so users can use nexcore_error::Error; Derive Display and std::error::Error for an enum or struct.

Attributes

• #[error("format string")] — Display format for the variant/struct
• #[error(transparent)] — Forward Display and source to inner type
• #[from] on a field — Generate From<FieldType> impl
• #[source] on a field — Use as Error::source() return value