Ruby 相当于PERL-Carp->;红宝石的咯咯声($msg)
Perl有一个名为Carp的模块,可以从中打印消息(w.o明确地引发异常),打印消息和完整的堆栈跟踪。 即 将产生:Ruby 相当于PERL-Carp->;红宝石的咯咯声($msg),ruby,perl,stack-trace,perl-module,Ruby,Perl,Stack Trace,Perl Module,Perl有一个名为Carp的模块,可以从中打印消息(w.o明确地引发异常),打印消息和完整的堆栈跟踪。 即 将产生: foo called from file bar, line 2 你知道如何在Ruby中获得类似的东西吗?你可以使用内核#调用者_位置来实现这个() 输出: 1 called from file line_of_caller.rb, line 6 hello called from file line_of_caller.rb, line 7 loc这里是Thread::Ba
foo called from file bar, line 2
你知道如何在Ruby中获得类似的东西吗?你可以使用内核#调用者_位置
来实现这个()
输出:
1 called from file line_of_caller.rb, line 6
hello called from file line_of_caller.rb, line 7
loc
这里是Thread::Backtrace::Location的一个实例,因此您也可以从中获得更多信息;退房
def cluck(val)
loc = caller_locations.last
puts "#{val} called from file #{loc.path}, line #{loc.lineno}"
end
cluck 1
cluck "hello"
1 called from file line_of_caller.rb, line 6
hello called from file line_of_caller.rb, line 7