How to create a function in Vimscript command?
Like most programming languages, Vimscript has functions. Let’s take a look at how to create them, and then talk about some of their quirks. Run the following command: :function meow() You might think this would start defining a function named meow. Unfortunately this is not the case, and we’ve already run into one of Vimscript’s quirks.
Is there a way to define function Meow in Vimscript?
Run the following command: :function meow() You might think this would start defining a function named meow. Unfortunately this is not the case, and we’ve already run into one of Vimscript’s quirks. Vimscript functions muststart with a capital letter if they are unscoped!
How to define a function in Vim for real?
Okay, let’s define a function for real this time. Run the following commands: :function Meow() : echom “Meow!” :endfunction This time Vim will happily define the function. Let’s try running it: :call Meow() Vim will display Meow!as expected. Let’s try returning a value. Run the following commands: :function GetMeow() : return “Meow String!”
When do you use a comma in Vim?
Vim displays {‘a’: 1, ‘100’: ‘foo’}, which shows that Vimscript does indeed coerce keys to strings while leaving values alone. Vimscript avoids the stupidity of the Javascript standard and lets you use a comma after the last element in a dictionary.
How to add entries to a vimscript dictionaries?
Adding entries to dictionaries is done by simply assigning them like variables. Run this command: :let foo = {‘a’: 1} :let foo.a = 100 :let foo.b = 200 :echo foo Vim displays {‘a’: 100, ‘b’: 200}, which shows that assigning and adding entries both work the same way. Removing Entries
How to get the value of Meow in Vimscript?
Run the following command: :echom Meow() This will display two lines: Meow!and 0. The first obviously comes from the echominside of Meow. The second shows us that if a Vimscript function doesn’t return a value, it implicitly returns 0.