Watson1978

class Foo < String
  ARG = ' '.freeze
  def split(arg)
    a = arg.source
    if a == ARG
      arg = ARG
    end
    super(arg)
  end
end

Watson1978

diff --git a/vm_eval.c b/vm_eval.c
index a8764e2fa4..a278fe3a2e 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -46,6 +46,7 @@ rb_vm_call0(rb_execution_context_t *ec, VALUE recv, ID id, int argc, const VALUE
     struct rb_calling_info calling_entry, *calling;
     struct rb_call_info ci_entry;
     struct rb_call_cache cc_entry;
+    VALUE val;
 

Watson1978

ruby$target:::method-entry
{
  printf("method: %s#%s\n", copyinstr(arg0), copyinstr(arg1));
}

Watson1978

#line 1 "narray/gen/tmpl/lib.c"
/*
  
  Ruby/Cumo::GSL - GSL wrapper for Ruby/Cumo::NArray

  created on: 2017-03-11
  Copyright (C) 2017 Masahiro Tanaka
  Copyright (C) 2018 Naotoshi Seo
*/

Watson1978

def detect_project_root(path)
  path = File.dirname(path)

  if Dir.glob(File.join(path, ".git")).count > 0
    return path
  end

  return nil if path == "/"
  detect_project_root(path)
end

Watson1978

require 'benchmark/ips'

Benchmark.ips do |x|
  x.report "Hash" do |loop|
    {foo: 42, bar: "hello", baz: "test"}
  end
end

Watson1978

セットアップ

$ brew install imagemagick@6
$ gem install nokogiri rmagick

(画像サイズの取得に RMagick を使用していて、それに imagemagick@6 が必要になります。)

Watson1978

/var/folders/fs/gltv6wcd3m70hcgqcp2njt_80000gn/T/ruby-build.20170606225220.2402 ~
/var/folders/fs/gltv6wcd3m70hcgqcp2njt_80000gn/T/ruby-build.20170606225220.2402/ruby-2.4.1 /var/folders/fs/gltv6wcd3m70hcgqcp2njt_80000gn/T/ruby-build.20170606225220.2402 ~
checking for ruby... /Users/watson/.rbenv/shims/ruby
checking build system type... x86_64-apple-darwin17.0.0
checking host system type... x86_64-apple-darwin17.0.0
checking target system type... x86_64-apple-darwin17.0.0
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no

Watson1978

$ brew install imagemagick@6
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (caskroom/cask).
No changes to formulae.

==> Downloading https://homebrew.bintray.com/bottles/imagemagick@6-6.9.8-4.sierra.bottle.tar.gz
Already downloaded: /Users/watson/Library/Caches/Homebrew/imagemagick@6-6.9.8-4.sierra.bottle.tar.gz
==> Pouring imagemagick@6-6.9.8-4.sierra.bottle.tar.gz
==> Caveats

Watson1978

cc `llvm-config --cflags` -c sum.c
c++ `llvm-config --cxxflags --ldflags --libs core mcjit native --system-libs` sum.o -o sum