50 lines in a single .cc source file which is only compiled once to produce the final artifact - sure, easy to handle.
Now consider that you are editing 50 lines of source for a tool which will then need to be executed on some particular platform to generate some parts of your project.
Now consider that you are editing 50 lines defining the structure and dependency graph of your project itself.
Now consider that you are editing 50 lines of source for a tool which will then need to be executed on some particular platform to generate some parts of your project.
Now consider that you are editing 50 lines defining the structure and dependency graph of your project itself.