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vim-patch:8.2.3848: cannot use reduce() for a string

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Problem:    Cannot use reduce() for a string.
Solution:   Make reduce() work with a string. (Naruhiko Nishino, closes vim/vim#9366)

0ccb5842f5

Omit tv_get_first_char() as it doesn't really save much code.

Co-authored-by: rbtnn <naru123456789@gmail.com>
This commit is contained in:
zeertzjq
2023-08-17 13:41:43 +08:00
parent 7f51829cf7
commit c5576fcc80
6 changed files with 88 additions and 19 deletions
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7
runtime/doc/builtin.txt generated
View File

@@ -5514,9 +5514,9 @@ readfile({fname} [, {type} [, {max}]]) *readfile()*
reduce({object}, {func} [, {initial}]) *reduce()* *E998*
{func} is called for every item in {object}, which can be a
|List| or a |Blob|. {func} is called with two arguments: the
result so far and current item. After processing all items
the result is returned.
|String|, |List| or a |Blob|. {func} is called with two arguments:
the result so far and current item. After processing all
items the result is returned.
{initial} is the initial result. When omitted, the first item
in {object} is used and {func} is first called for the second
@@ -5527,6 +5527,7 @@ reduce({object}, {func} [, {initial}]) *reduce()* *E99
echo reduce([1, 3, 5], { acc, val -> acc + val })
echo reduce(['x', 'y'], { acc, val -> acc .. val }, 'a')
echo reduce(0z1122, { acc, val -> 2 * acc + val })
echo reduce('xyz', { acc, val -> acc .. ',' .. val })
<
reg_executing() *reg_executing()*

7
runtime/lua/vim/_meta/vimfn.lua generated
View File

@@ -6551,9 +6551,9 @@ function vim.fn.readdir(directory, expr) end
function vim.fn.readfile(fname, type, max) end
--- {func} is called for every item in {object}, which can be a
--- |List| or a |Blob|. {func} is called with two arguments: the
--- result so far and current item. After processing all items
--- the result is returned.
--- |String|, |List| or a |Blob|. {func} is called with two arguments:
--- the result so far and current item. After processing all
--- items the result is returned.
---
--- {initial} is the initial result. When omitted, the first item
--- in {object} is used and {func} is first called for the second
@@ -6564,6 +6564,7 @@ function vim.fn.readfile(fname, type, max) end
--- echo reduce([1, 3, 5], { acc, val -> acc + val })
--- echo reduce(['x', 'y'], { acc, val -> acc .. val }, 'a')
--- echo reduce(0z1122, { acc, val -> 2 * acc + val })
--- echo reduce('xyz', { acc, val -> acc .. ',' .. val })
--- <
---
--- @param object any