Add support for custom error messages #10
Merged
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Add a function to each defined error to set a custom message. This can be helpful when either recreating a error that has been wrapped or wrapped another error. There are also cases where users just don't want to use the default error message.
Due to the
Is
andAs
interfaces used by stdliberrors
, the new error type is mostly invisible and does not need to be "unwrapped".