8. idからsafeAreaInsetsを調べる
エラー
(lldb) p [0x7fde56eaad00 safeAreaInsets]
error: warning: receiver type 'long' is not 'id' or interface pointer,
consider casting it to 'id'
error: no known method '-safeAreaInsets'; cast the message send
to the method's return type
24. デバッグオプション (--debug or -g)
メッセージ送信のコードが見られる
(lldb) expression --debug -- [view safeAreaInsets]
Execution was halted at the first instruction of the expression
function because "debug" was requested.
Use "thread return -x" to return to the state before expression
evaluation.