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havenwood/hello.cr

Created April 17, 2015 00:09
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"Hello, world!" from MRuby embedded in Crystal
Raw
hello.cr
@[Link("mruby")]
lib MRuby
type MRubyState = Void*
fun open = mrb_open : MRubyState
fun load_string = mrb_load_string(mrb : MRubyState, code : Pointer(UInt8))
fun close = mrb_close(mrb : MRubyState)
end
CODE = <<-RUBY_CODE
puts 'Hello, world!'
RUBY_CODE
MRB = MRuby.open
MRuby.load_string MRB, CODE
MRuby.close MRB
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