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Thread#set_trace_func(pr) -> Proc | nil (79.0)

• 2.1.0
• 2.2.0
• 2.3.0
• 2.4.0
• 2.5.0
• 2.6.0
• 2.7.0
• 3.0
• 3.1
• 3.2
• 3.3
• 3.4

• インスタンスメソッド

スレッドにトレース用ハンドラを設定します。

...例][ruby]{
th = Thread.new do
class Trace
end
2.to_s
Thread.current.set_trace_func nil
3.to_s
end
th.set_trace_func lambda {|*arg| p arg }
th.join

# => ["line", "example.rb", 2, nil, #<Binding:0x00007fc8de87cb08>, nil]
# => ["c-call", "example.rb", 2, :inherited, #<Binding:0x00007fc8de88...

...turn", "example.rb", 2, :inherited, #<Binding:0x00007fc8de8844e8>, Class]
# => ["class", "example.rb", 2, nil, #<Binding:0x00007fc8de88e830>, nil]
# => ["end", "example.rb", 3, nil, #<Binding:0x00007fc8de88d6b0>, nil]
# => ["line", "example.rb", 4, nil, #<Binding:0x00007fc8de88c440>, nil]
# => ["c-c...

...>, Thread]
# => ["c-return", "example.rb", 5, :current, #<Binding:0x00007fc8de9673b0>, Thread]
# => ["c-call", "example.rb", 5, :set_trace_func, #<Binding:0x00007fc8de966fc8>, Thread]
//}

@param pr トレースハンドラ(Proc オブジェクト) もしくは nil
@see Thread#add_trace_func Kernel....

• Proc

Thread#add_trace_func(pr) -> Proc (55.0)

• 2.1.0
• 2.2.0
• 2.3.0
• 2.4.0
• 2.5.0
• 2.6.0
• 2.7.0
• 3.0
• 3.1
• 3.2
• 3.3
• 3.4

• インスタンスメソッド

スレッドにトレース用ハンドラを追加します。

...ェクト)

//emlist[例][ruby]{
th = Thread.new do
class Trace
end
43.to_s
end
th.add_trace_func lambda {|*arg| p arg }
th.join

# => ["line", "example.rb", 4, nil, #<Binding:0x00007f98e107d0d8>, nil]
# => ["c-call", "example.rb", 4, :inherited, #<Binding:0x00007f98e1087448>, Class]
# => ["c-...

...turn", "example.rb", 4, :inherited, #<Binding:0x00007f98e1085d00>, Class]
# => ["class", "example.rb", 4, nil, #<Binding:0x00007f98e108f210>, nil]
# => ["end", "example.rb", 5, nil, #<Binding:0x00007f98e108e5e0>, nil]
# => ["line", "example.rb", 6, nil, #<Binding:0x00007f98e108d4b0>, nil]
# => ["c-c...

...all", "example.rb", 6, :to_s, #<Binding:0x00007f98e1097aa0>, Integer]
# => ["c-return", "example.rb", 6, :to_s, #<Binding:0x00007f98e1095cc8>, Integer]
//}

@see Thread#set_trace_func Kernel.#set_trace_func...

• Proc