Thread＃alive？()：alive？()是一個Thread類方法，用於檢查線程是正在運行還是正在休眠。
用法：Thread.alive?()
參數：線程值
返回：true-如果正在運行
否則錯誤
範例1：
# Ruby code for Thread.alive?() method
# declaring Thread
a = Thread.new { print "a"; Thread.stop; print "c" }
# alive? form
puts "Thread a alive?() form:#{a.alive?()}\n\n"輸出：
Thread a alive?() form:true
範例2：
# Ruby code for Thread.alive?() method
# declaring Thread
a = Thread.new { puts "HI! I am learning to code"}
# alive? form
puts "Thread a alive?() form:#{a.alive?()}\n\n"輸出：
Thread a alive?() form:true
HI! I am learning to code
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注：本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby | Thread alive? function。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。