Ruby 线程 backtrace_locations() 函数

Thread#backtrace_locations() : backtrace_locations() 是Thread类的一个方法，用于返回目标线程的执行堆栈–一个包含回溯位置对象的数组。

语法。Thread.backtrace_locations()

参数。线程值

返回：目标线程的执行堆栈–一个包含回溯位置对象的数组。

例子 #1 :

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

输出:

Thread a backtrace_locations() form : []

例子 #2 :

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

输出:

Thread a backtrace_locations() form : []