如何从Perl中的哈希中删除键？

Question

如何从现有地图中删除密钥？

if (exists $sampleMap{1})
{
      #Here I want to remove the "1" key from sampleMap
}

Answer 1

使用delete删除哈希键：

if (exists $sampleMap{1})
{
      delete $sampleMap{1}; #Here I want remove the "1" key from sampleMap.
}

有关详细信息，请查看delete。