PrettyBacktrace- Ruby 异常格式化输出

PrettyBacktrace 项目用于对 Ruby 的异常堆栈进行格式化显示，示例代码：

require 'pretty_backtrace'
PrettyBacktrace.enable

def recursive n
  str = "Hi #{n}!!  " * 128
  if n > 0
    recursive n - 1
  else
    raise "bottom of recursive"
  end
end

recursive 3

格式化效果：

test.rb:10:in recursive' (n = 0, str = "Hi 0!! Hi 0!! Hi 0...): bottom of recursive (RuntimeError) from test.rb:9:inrecursive’ (n = 1, str = “Hi 1!! Hi 1!! Hi 1…)
from test.rb:9:in recursive' (n = 2, str = "Hi 2!! Hi 2!! Hi 2...) from test.rb:9:inrecursive’ (n = 3, str = “Hi 3!! Hi 3!! Hi 3…)
from test.rb:15:in `