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136 lines
3.1 KiB
Text
136 lines
3.1 KiB
Text
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What's new in the World of Golang?
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26.2.2018 - devconf.cz
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Vincent Batts
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Developer
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@vbatts
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vbatts@redhat.com
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https://github.com/vbatts/talks
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* howdy
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$> whoami
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vbatts
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$> id -Gn
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vbatts devel openshift docker golang slackware ruby farts etc
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* Golang
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.image 74f836db7e03776d5592cfd0943480ec12fc6b68.png _ 300
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.caption [[https://gopherize.me/gopher/74f836db7e03776d5592cfd0943480ec12fc6b68][gopherize.me]]
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* Overview
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- strongly typed
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- compiled
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- stylistically nice
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- opinionated
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* Release Timeles
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6 month cadence
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- Go1.5 - 19.8.2015
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- Go1.6 - 17.2.2016
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- Go1.7 - 15.8.2016
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- Go1.8 - 16.2.2017
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- Go1.9 - 24.8.2017
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- Upcoming 1.10 release [[https://github.com/golang/go/compare/go1.9...go1.10rc1][go1.9...go1.10rc1]] 2066 commits
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* Best release ever
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.image best_release.png _ 400
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.caption [[https://twitter.com/search?f=tweets&vertical=default&q=best%20release%20from%3Abradfitz&src=typd][twitter.com]]
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* New Features
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since my 2015 devconf.cz "Golang: the Good, the Bad, and the Ugly"
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* New Features
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- Full compiler rewrite from C to golang (go1.5)
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- No cross-compile bootstrapping needed (go1.5)
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- Shared library support (C->go; go->go; go->C) (go1.5)
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- HTTP/2 support (go1.6)
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- “Vendor” directory feature now default (go1.6)
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- Static-single assignment (SSA) compiler backend (go1.7)
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- Reduction in binary size by 20-30% (go1.7)
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* New Features
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- `context` package now included (go1.8)
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- Dynamically loadable “plugins” (go1.8)
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- Testing helpers, safe sync.Map and monotonic time (go1.9)
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- Sparse files for `archive/tar` (g1.10)
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* Less than Ideal
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- package management
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vendoring is a beast
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[[https://github.com/golang/dep][github.com/golang/dep]]
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- RPMs
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[[https://github.com/gofed/gofed][github.com/gofed/gofed]]
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- Package guidelines ...
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[[https://fedoraproject.org/wiki/PackagingDrafts/Go][Fedora Go Packaging Draft]]
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[[https://fedorahosted.org/fpc/ticket/382][FPC #382]]
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* Less than Ideal
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- Debugging still is archaic (but hopeful!)
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Call to action for DWARF and elf folks to contribute. Gdb
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- FIPS isn’t there yet
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* Reasons it’s nice
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- FIPS is in progress!
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Upstream has a branch working with boringSSL
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We are now working to incorporate and participate in this effort
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- Debugger traction
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[[https://github.com/derekparker/delve][github.com/derekparker/delve]]
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We have understanding with and interest from upstream, but they are not motivated for gdb features
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* Reasons it’s nice
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- Learning and ownership of code is easier
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- Multi-arch and gcc-go (which is go1.8.1 as of gcc-7.2)
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Cross-Compiles are nice (apart from cgo understandably)
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- Community is diverse and vigilant
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And growing [[https://trends.google.com/trends/explore?date=all&q=golang&hl=en-US]]
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[[https://octoverse.github.com/]]
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- Opportunity to talk and learn
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[[https://gophercon.com/][GopherCon]]
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[[https://gophercon.is/][GopherCon.is]]
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[[https://gophercon.sg/][GopherCon.sg]]
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[[http://gothamgo.com/][GothamGo]]
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* Where's Red Hat?
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- Having an increased presence
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Still need to have our name present at confs
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Need more speakers
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But as far as active code development, presence and respect, we are formidable
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- Products are written in it e.g. OpenShift.
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Openstack teams are working on tooling in golang
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