Update vimscript.md (#2008)

Added a section on overwriting functions
2023-07-20 13:05:28 +02:00 · 2023-07-20 13:05:28 +02:00 · 3b16d4cf2c
parent 9c2b6d725f
commit 3b16d4cf2c
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+++ b/vimscript.md
@ -146,6 +146,20 @@ endfunction

 See: [Functions](http://learnvimscriptthehardway.stevelosh.com/chapters/23.html)

+### Overwriting
+```vim
+function f1()
+  echo "f1"
+endfunction
+
+
+function! f1()
+  echo "f1 overridden"
+endfunction
+```
+
+If you define two functions with the same name, Vim will throw an error complaining that the function `f1` already exists. To overwrite the previous function with the same name, add a `!` after the function keyword.
+
 ### Namespacing

 ```vim