Control precision of floating point logging

[cossio]

Suppose x is a float. I show it with:

@info x

Usually this prints x with full precision. Is there a way to control the formatting (e.g. number of digits) of floating points ?

[Arkoniak]

Since there can be arbitrary amount of arguments of any type, it's hardly reasonable to add formatting rules to logging facilities. So, there are two ways to control the formatting:

1. Internally Miniloggers.jl uses string function to create output. So, you can pirate string function for corresponding type and redefine it.
2. You can use @sprintf or any other similar facilities to control output for each argument. Of course, it can be tedious, but it just work.

Well, expanding on 1. I can define something like present(x) = string(x) and use it for output. This way, you'll need to redefine only present function, which is still a piracy, but not as dramatic as redefining string.