diff options
| author | Bram Moolenaar <Bram@vim.org> | 2021-04-10 22:35:43 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-04-10 22:35:43 +0200 |
| commit | f93bbd026205f36915312193784f987ad49fb114 (patch) | |
| tree | 3d33a10b9e526aa7ed613bb4113df3406025632a /runtime | |
| parent | e8e307818495d1a5d821df9bd4bde83add0520e5 (diff) | |
patch 8.2.2753: Vim9: cannot ignore an item in assignment unpackv8.2.2753
Problem: Vim9: cannot ignore an item in assignment unpack.
Solution: Allow using an underscore.
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/vim9.txt | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt index 29fdab1488..6b676dfabd 100644 --- a/runtime/doc/vim9.txt +++ b/runtime/doc/vim9.txt @@ -335,6 +335,18 @@ The "g:" prefix is not needed for auto-load functions. Since `&opt = value` is now assigning a value to option "opt", ":&" cannot be used to repeat a `:substitute` command. +For an unpack assignment the underscore can be used to ignore a list item, +similar to how a function argument can be ignored: > + [a, _, c] = theList + [a, b; _] = longList + +< *E1092* +Declaring more than one variable at a time, using the unpack notation, is +currently not supported: > + var [v1, v2] = GetValues() # Error! +That is because the type needs to be inferred from the list item type, which +isn't that easy. + Constants ~ *vim9-const* *vim9-final* @@ -368,13 +380,6 @@ The constant only applies to the value itself, not what it refers to. > NAMES[1] = ["Emma"] # Error! NAMES[1][0] = "Emma" # OK, now females[0] == "Emma" -< *E1092* -Declaring more than one variable at a time, using the unpack notation, is -currently not supported: > - var [v1, v2] = GetValues() # Error! -That is because the type needs to be inferred from the list item type, which -isn't that easy. - Omitting :call and :eval ~ |