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patch 8.2.1081: Lua: cannot use table.insert() and table.remove()

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Problem:    Lua: cannot use table.insert() and table.remove().
Solution:   Add the list functions. (Prabir Shrestha, closes #6353)
This commit is contained in:
Bram Moolenaar
2020-06-28 22:41:26 +02:00
parent b7a78f7a67
commit a1f9f8666e
4 changed files with 64 additions and 11 deletions
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16
runtime/doc/if_lua.txt
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@ -227,8 +227,17 @@ Properties
in Vim.
o "l[k]" returns the k-th item in "l"; "l" is one-indexed, as in Lua.
To modify the k-th item, simply do "l[k] = newitem"; in
particular, "l[k] = nil" removes the k-th item from "l".
particular, "l[k] = nil" removes the k-th item from "l". Item can
be added to the end of the list by "l[#l + 1] = newitem"
o "l()" returns an iterator for "l".
o "table.insert(l, newitem)" inserts an item at the end of the list.
(only Lua 5.3 and later)
o "table.insert(l, position, newitem)" inserts an item at the
specified position. "position" is one-indexed. (only Lua 5.3 and
later)
o "table.remove(l, position)" removes an item at the specified
position. "position" is one-indexed.
Methods
-------
@ -246,8 +255,11 @@ Examples:
:lua l[1] = nil -- remove first item
:lua l:insert(true, 1)
:lua print(l, #l, l[1], l[2])
:lua l[#l + 1] = 'value'
:lua table.insert(l, 100)
:lua table.insert(l, 2, 200)
:lua table.remove(l, 1)
:lua for item in l() do print(item) end
<
==============================================================================
4. Dict userdata *lua-dict*