Mercurial > vim
diff runtime/doc/eval.txt @ 28718:723c7d940cba
patch 8.2.4883: string interpolation only works in heredoc
Commit: https://github.com/vim/vim/commit/2eaef106e4a7fc9dc74a7e672b5f550ec1f9786e
Author: LemonBoy <thatlemon@gmail.com>
Date: Fri May 6 13:14:50 2022 +0100
patch 8.2.4883: string interpolation only works in heredoc
Problem: String interpolation only works in heredoc.
Solution: Support interpolated strings. Use syntax for heredoc consistent
with strings, similar to C#. (closes #10327)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 06 May 2022 14:15:03 +0200 |
| parents | 060fc3b69697 |
| children | b96ceb97e896 |
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--- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -1523,6 +1523,25 @@ to be doubled. These two commands are e if a =~ '\s*' +interpolated-string *interp-string* *E256* +-------------------- +$"string" interpolated string constant *expr-$quote* +$'string' interpolated literal string constant *expr-$'* + +Interpolated strings are an extension of the |string| and |literal-string|, +allowing the inclusion of Vim script expressions (see |expr1|). Any +expression returning a value can be enclosed between curly braces. The value +is converted to a string. All the text and results of the expressions +are concatenated to make a new string. + +To include an opening brace '{' or closing brace '}' in the string content +double it. + +Examples: > + let your_name = input("What's your name? ") + echo $"Hello, {your_name}!" + echo $"The square root of 9 is {sqrt(9)}" + option *expr-option* *E112* *E113* ------ &option option value, local value if possible