nim-wiki/Tips-and-tricks.md

• Use "nimrod check myfile.nim" to check your program for errors, without code generation. This makes the process quicker.

Using reserved words as identifiers

You can use the slanted quote string syntax if you need to use a reserved word as an identifier: var `type`: int

Tricks with conditional compilation

const someFeature = True

when someFeature:
  const someSubFeature = true
else:
  const someSubFeature = false

How do I echo in a {.noSideEffects.} proc?

You can use debugEcho for this.