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vim-patch:8.2.3818: cannot filter or map characters in a string

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Problem:    Cannot filter or map characters in a string.
Solution:   Make filter() and map() work on a string. (Naruhiko Nishino,
            closes vim/vim#9327)

c479ce032f

Co-authored-by: rbtnn <naru123456789@gmail.com>
This commit is contained in:
zeertzjq
2023-08-17 12:37:52 +08:00
parent 8861f2af72
commit d9e7dad139
5 changed files with 196 additions and 63 deletions
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47
runtime/lua/vim/_meta/vimfn.lua generated
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@@ -2005,10 +2005,11 @@ function vim.fn.filereadable(file) end
--- @return 0|1
function vim.fn.filewritable(file) end
--- {expr1} must be a |List|, |Blob|, or a |Dictionary|.
--- {expr1} must be a |List|, |String|, |Blob| or |Dictionary|.
--- For each item in {expr1} evaluate {expr2} and when the result
--- is zero remove the item from the |List| or |Dictionary|. For a
--- |Blob| each byte is removed.
--- is zero or false remove the item from the |List| or
--- |Dictionary|. Similarly for each byte in a |Blob| and each
--- character in a |String|.
---
--- {expr2} must be a |string| or |Funcref|.
---
@@ -2044,14 +2045,16 @@ function vim.fn.filewritable(file) end
--- <If you do not use "val" you can leave it out: >vim
--- call filter(myList, {idx -> idx % 2 == 1})
--- <
--- The operation is done in-place. If you want a |List| or
--- |Dictionary| to remain unmodified make a copy first: >vim
--- For a |List| and a |Dictionary| the operation is done
--- in-place. If you want it to remain unmodified make a copy
--- first: >vim
--- let l = filter(copy(mylist), 'v:val =~ "KEEP"')
---
--- <Returns {expr1}, the |List|, |Blob| or |Dictionary| that was
--- filtered. When an error is encountered while evaluating
--- {expr2} no further items in {expr1} are processed. When
--- {expr2} is a Funcref errors inside a function are ignored,
--- <Returns {expr1}, the |List| or |Dictionary| that was filtered,
--- or a new |Blob| or |String|.
--- When an error is encountered while evaluating {expr2} no
--- further items in {expr1} are processed.
--- When {expr2} is a Funcref errors inside a function are ignored,
--- unless it was defined with the "abort" flag.
---
--- @param expr1 any
@@ -4919,15 +4922,18 @@ function vim.fn.log(expr) end
--- @return any
function vim.fn.log10(expr) end
--- {expr1} must be a |List|, |Blob| or |Dictionary|.
--- Replace each item in {expr1} with the result of evaluating
--- {expr2}. For a |Blob| each byte is replaced.
--- {expr1} must be a |List|, |String|, |Blob| or |Dictionary|.
--- When {expr1} is a |List|| or |Dictionary|, replace each
--- item in {expr1} with the result of evaluating {expr2}.
--- For a |Blob| each byte is replaced.
--- For a |String|, each character, including composing
--- characters, is replaced.
--- If the item type changes you may want to use |mapnew()| to
--- create a new List or Dictionary.
---
--- {expr2} must be a |string| or |Funcref|.
--- {expr2} must be a |String| or |Funcref|.
---
--- If {expr2} is a |string|, inside {expr2} |v:val| has the value
--- If {expr2} is a |String|, inside {expr2} |v:val| has the value
--- of the current item. For a |Dictionary| |v:key| has the key
--- of the current item and for a |List| |v:key| has the index of
--- the current item. For a |Blob| |v:key| has the index of the
@@ -4957,14 +4963,15 @@ function vim.fn.log10(expr) end
--- <If you do not use "key" you can use a short name: >vim
--- call map(myDict, {_, val -> 'item: ' .. val})
--- <
--- The operation is done in-place. If you want a |List| or
--- |Dictionary| to remain unmodified make a copy first: >vim
--- The operation is done in-place for a |List| and |Dictionary|.
--- If you want it to remain unmodified make a copy first: >vim
--- let tlist = map(copy(mylist), ' v:val .. "\t"')
---
--- <Returns {expr1}, the |List|, |Blob| or |Dictionary| that was
--- filtered. When an error is encountered while evaluating
--- {expr2} no further items in {expr1} are processed. When
--- {expr2} is a Funcref errors inside a function are ignored,
--- <Returns {expr1}, the |List| or |Dictionary| that was filtered,
--- or a new |Blob| or |String|.
--- When an error is encountered while evaluating {expr2} no
--- further items in {expr1} are processed.
--- When {expr2} is a Funcref errors inside a function are ignored,
--- unless it was defined with the "abort" flag.
---
--- @param expr1 any