Agreed. In my experience, the cost of reasoning about a code base is much higher than the cost to type the code in an editor. And reasoning about a code base in

Agreed. In my experience, the cost of reasoning about a code base is much higher than the cost to type the code in an editor. And reasoning about a code base in a language like Java using an IDE like IntelliJ is much less costly than reasoning about a large code base in a language like Perl using VIM and the terminal.