tree b6f7f6264352dca36a07bd5c2b924466246f5b44
parent 936b5d744d061b4142dbe0f26cb08fd10e2079be
author Dave Cheney <dave@cheney.net> 1464240244 +1000
committer Dave Cheney <dave@cheney.net> 1464240244 +1000

Remove errors.wrap helper

`errors.wrap` existed to avoid the conflict between the type,
`errors.cause` and the formal parameter `cause`. The parameter was
renamed to err in #32 so there is no need for the helper.