Ruby 异常格式化输出:PrettyBacktrace
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>'
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