PrettyBacktraceRuby 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:in `recursive' (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:in `recursive' (n = 3, str = "Hi 3!! Hi 3!! Hi 3...)
from test.rb:15:in `<main>'
评论