Mercurial > vim
diff src/vim9compile.c @ 24408:96e0b898d5b4 v8.2.2744
patch 8.2.2744: Vim9: no way to explicitly ignore an argument
Commit: https://github.com/vim/vim/commit/962c43bf0d6a33b905f2acd920d3701476ebb5c9
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Apr 10 17:18:09 2021 +0200
patch 8.2.2744: Vim9: no way to explicitly ignore an argument
Problem: Vim9: no way to explicitly ignore an argument.
Solution: Use the underscore as the name for an ignored argument.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 10 Apr 2021 17:30:03 +0200 |
| parents | a26f0fa12845 |
| children | e0fa539a9b34 |
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--- a/src/vim9compile.c +++ b/src/vim9compile.c @@ -4416,6 +4416,12 @@ compile_expr7( // "name" or "name()" p = to_name_end(*arg, TRUE); + if (p - *arg == (size_t)1 && **arg == '_') + { + emsg(_(e_cannot_use_underscore_here)); + return FAIL; + } + if (*p == '(') { r = compile_call(arg, p - *arg, cctx, ppconst, 0); @@ -6378,6 +6384,11 @@ compile_assignment(char_u *arg, exarg_T semsg(_(e_cannot_assign_to_constant), lhs.lhs_name); goto theend; } + if (is_decl && lhs.lhs_name[0] == '_' && lhs.lhs_name[1] == NUL) + { + emsg(_(e_cannot_use_underscore_here)); + goto theend; + } if (!heredoc) {