Mastering Vim

Loops

You can loop through lists and dictionaries using the for keyword. For example, do this to go through a list:

for animal in animals  echo animalendfor

And here's you iterating through a dictionary:

for animal in keys(animal_names)  echo 'This ' . animal . '''s name is ' . animal_names[animal]endfor

You can also access both the key and the value of the dictionary simultaneously using items:

for [animal, name] in items(animal_names)  echo 'This ' . animal . '''s name is ' . nameendfor

You can control the iteration flow with continue and break. Here's an example of using break:

let animals = ['dog', 'cat', 'parrot']for animal in animals  if animal == 'cat'    echo 'It''s a cat! Breaking!'    break  endif echo 'Looking at a ' . animal . ', it''s ...