当试图处理
ruby中的嵌套哈希时,我收到此错误:
undefined method `has_key' for {"_l"=>{"or"=>"@`"},"a"=>{}}:Hash (NoMethodError)
哈希不是上面’for’引用的东西……哈希?不要哈希有has_key?()方法?这里发生了什么?
这是代码……谢谢:
$conditioning_environments = { "_l" => { "or" => "@`" },"a" => { } } .... if $conditioning_environments["_"+graphemes[index+1]].has_key(g) ....