From 421111f474add93d16e66529b286fc07ecfb63af Mon Sep 17 00:00:00 2001
From: jdhao <jdhao@hotmail.com>
Date: Fri, 15 Oct 2021 23:20:35 +0800
Subject: refactor: load colorschemes randomly

In Emacs, there is `seq-random-elt` which randomly selects an element from
a sequence. We mimic it here in Neovim.

Ref: https://www.gnu.org/software/emacs/manual/html_node/elisp/Sequence-Functions.html.
---
 autoload/utils.vim | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'autoload/utils.vim')

diff --git a/autoload/utils.vim b/autoload/utils.vim
index d1a4a47..9ab0991 100644
--- a/autoload/utils.vim
+++ b/autoload/utils.vim
@@ -49,6 +49,13 @@ function! utils#RandInt(Low, High) abort
   return v:lua.math.random(a:Low, a:High)
 endfunction
 
+" Selection a random element from a sequence/list
+function! utils#RandElement(seq) abort
+  let l:idx = utils#RandInt(0, len(a:seq)-1)
+
+  return a:seq[l:idx]
+endfunction
+
 " Custom fold expr, adapted from https://vi.stackexchange.com/a/9094/15292
 function! utils#VimFolds(lnum) abort
   " get content of current line and the line below
-- 
cgit v1.2.3