Marahin

module KappaOne
  ## I want the value of 'test' to be memoized & available in class KappaOneOne and KappaOneTwo
  def test
    @test ||= some_timetaking_method
  end
  
  class KappaOneOne
    def initialize
      @val = test.to_s
    end

Marahin

✗ pry
[1] pry(main)> module Kappa
[1] pry(main)*   def Kappa.parser  
[1] pry(main)*     if ! @name    
[1] pry(main)*       sleep(5)      
[1] pry(main)*       @name = 'John'      
[1] pry(main)*     end      
[1] pry(main)*     @name    
[1] pry(main)*   end     
[1] pry(main)*     

Marahin

➜  xgo git:(master) ✗ ./xgo -x -v --targets=windows/amd64 ~/Code/go/src/git.3lab.re/marahin/artsh_helper_11
Checking docker installation...
Client:
 Version:      17.06.0-ce
 API version:  1.30
 Go version:   go1.8.3
 Git commit:   02c1d87
 Built:        Fri Jun 23 21:31:53 2017
 OS/Arch:      darwin/amd64

Marahin

➜  xgo git:(master) ✗ ./xgo -x -v --deps=https://downloads.sourceforge.net/project/libpng/zlib/1.2.11/zlib-1.2.11.tar.gz\?r\=\&ts\=1500380157\&use_mirror\=netcologne\ https://dropbox.gimb.us/b/eafaa5ae36898da07a3dac1ad08f8ecc.gz --targets=windows/amd64 ~/Code/go/src/git.3lab.re/marahin/artsh_helper_11
Checking docker installation...
Client:
 Version:      17.06.0-ce
 API version:  1.30
 Go version:   go1.8.3
 Git commit:   02c1d87
 Built:        Fri Jun 23 21:31:53 2017
 OS/Arch:      darwin/amd64

Marahin

➜  xgo git:(master) ✗ docker build -t xgo-pngzlib .
Sending build context to Docker daemon  1.006MB
Step 1/2 : FROM karalabe/xgo-latest
 ---> 84e22b5b5304
Step 2/2 : RUN apt install -y libpng-dev zlib1g-dev
 ---> Using cache
 ---> 06ff979c622d
Successfully built 06ff979c622d
Successfully tagged xgo-pngzlib:latest

Marahin

# golang.org/x/sys/unix
../src/golang.org/x/sys/unix/dirent.go:68: undefined: direntReclen
../src/golang.org/x/sys/unix/dirent.go:74: undefined: direntIno
../src/golang.org/x/sys/unix/dirent.go:82: undefined: direntNamlen
../src/golang.org/x/sys/unix/syscall_linux.go:825: ParseDirent redeclared in this block
	previous declaration at ../src/golang.org/x/sys/unix/dirent.go:64
../src/golang.org/x/sys/unix/syscall_linux_amd64_gc.go:13: gettimeofday redeclared in this block
	previous declaration at ../src/golang.org/x/sys/unix/syscall_linux_amd64.go:67
../src/golang.org/x/sys/unix/syscall_unix_gc.go:12: Syscall redeclared in this block
	previous declaration at ../src/golang.org/x/sys/unix/syscall_unix.go:52

Marahin

➜  artsh_helper git:(master) go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/marahin/Code/go"
GORACE=""
GOROOT="/opt/go"

Marahin

➜  ~ pry
[1] pry(main)> 76561198173573574.0 == 76561198173573570.0
=> true
[2] pry(main)> 76_561_198_173_573_574 == 76561198173573570.0
=> false
[3] pry(main)> 76_561_198_173_573_574 == 76_561_198_173_573_570
=> false
[4] pry(main)> 76_561_198_173_573_574 == 76_561_198_173_573_574
=> true
[5] pry(main)> puts "#{76_561_198_173_573_574}"

Marahin

grep '^[[:blank:]]*[^[:blank:]#;]' file.conf

Marahin

[1] pry(main)> A = 1
=> 1
[2] pry(main)> A = 2
(pry):2: warning: already initialized constant A
(pry):1: warning: previous definition of A was here
=> 2
[3] pry(main)> A
=> 2