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moby--moby/errdefs
Sebastiaan van Stijn 7d4b788381 errdefs: remove "ErrAlreadyExists" because it's not an error
The `ErrAlreadyExists` error is used for 304 statuses, which
is not an error-condition, so should probably not be defined
as part of the errdefs package.

This patch removes the `ErrAlreadyExists` interface, and related
helpers, as it was currently not used.

Note that a 304 status can fulfil certain use-cases, but (refering
to https://www.codetinkerer.com/2015/12/04/choosing-an-http-status-code.html)
could probably be handled by a 200 OK, unless we want to perform
caching in the client.

If we do want to use 304 statuses, perhaps we need a separate class
of "errors" for this (?).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-03-21 21:25:15 +00:00
..
defs.go errdefs: remove "ErrAlreadyExists" because it's not an error 2019-03-21 21:25:15 +00:00
doc.go
helpers.go errdefs: remove "ErrAlreadyExists" because it's not an error 2019-03-21 21:25:15 +00:00
helpers_test.go errdefs: remove "ErrAlreadyExists" because it's not an error 2019-03-21 21:25:15 +00:00
http_helpers.go errdefs: remove "ErrAlreadyExists" because it's not an error 2019-03-21 21:25:15 +00:00
http_helpers_test.go Move httputils error helpers to errdefs package 2019-03-16 00:42:23 +01:00
is.go errdefs: remove "ErrAlreadyExists" because it's not an error 2019-03-21 21:25:15 +00:00