mirrors/neovim
1
0
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2025-10-17 15:21:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(lua): add vim.list.unique()

Browse Source 
Problem:
No way to deduplicate values in a list in-place

Solution:
Add `vim.list.unique()`
This commit is contained in:
Lewis Russell
2025-07-25 15:12:23 +01:00
committed by Lewis Russell
parent 7a051a4c38
commit cf9b36f3d9
7 changed files with 114 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
test/functional/lua/vim_spec.lua
View File

@@ -1260,6 +1260,28 @@ describe('lua stdlib', function()
eq({ 2 }, exec_lua [[ return vim.list_extend({}, {2;a=1}, -1, 2) ]])
end)
it('vim.list.unique', function()
eq({ 1, 2, 3, 4, 5 }, vim.list.unique({ 1, 2, 2, 3, 4, 4, 5 }))
eq({ 1, 2, 3, 4, 5 }, vim.list.unique({ 1, 2, 3, 4, 4, 5, 1, 2, 3, 2, 1, 2, 3, 4, 5 }))
eq({ 1, 2, 3, 4, 5, field = 1 }, vim.list.unique({ 1, 2, 2, 3, 4, 4, 5, field = 1 }))
-- Not properly defined, but test anyway
-- luajit evaluates #t as 7, whereas Lua 5.1 evaluates it as 12
local r = vim.list.unique({ 1, 2, 2, 3, 4, 4, 5, nil, 6, 6, 7, 7 })
if jit then
eq({ 1, 2, 3, 4, 5, nil, nil, nil, 6, 6, 7, 7 }, r)
else
eq({ 1, 2, 3, 4, 5, nil, 6, 7 }, r)
end
eq(
{ { 1 }, { 2 }, { 3 } },
vim.list.unique({ { 1 }, { 1 }, { 2 }, { 2 }, { 3 }, { 3 } }, function(x)
return x[1]
end)
)
end)
it('vim.tbl_add_reverse_lookup', function()
eq(
true,