Ruby 线程 backtrace函数

Thread#backtrace() : backtrace()是Thread类的一个方法，用于返回目标线程的当前回溯。

语法。Thread.backtrace()

参数。线程值

返回：目标线程的当前回溯。

例子 #1 :

# Ruby code for Thread.backtrace() method
  
# declaring Thread 
a = Thread.new { print "a"; Thread.stop; print "c" }
  
# backtrace form
puts "Thread a backtrace() form : #{a.backtrace()}\n\n"

输出:

Thread a backtrace() form : []

例子 #2 :

# Ruby code for Thread.backtrace() method
  
# declaring Thread 
a = Thread.new { puts "HI! I am learning to code"}
  
# backtrace form
puts "Thread a backtrace() form : #{a.backtrace()}\n\n"

输出:

Thread a backtrace() form : []

HI! I am learning to code