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diff src/eval.c @ 23039:75241f4377a4 v8.2.2066

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patch 8.2.2066: Vim9: assignment with += doesn't work Commit: https://github.com/vim/vim/commit/ce2c5444e2556d8d156ab447d6d196f9ecd11ddc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 28 21:21:17 2020 +0100 patch 8.2.2066: Vim9: assignment with += doesn't work Problem: Vim9: assignment with += doesn't work. Solution: Do not see the "+" as an addition operator.
author Bram Moolenaar <Bram@vim.org>
date Sat, 28 Nov 2020 21:30:04 +0100
parents a0a998d2e443
children 4b398a229b0b
line wrap: on
line diff
--- a/src/eval.c
+++ b/src/eval.c
@@ -2769,10 +2769,11 @@ eval5(char_u **arg, typval_T *rettv, eva
 	int	    vim9script = in_vim9script();
 
 	// "." is only string concatenation when scriptversion is 1
+	// "+=" and "-=" are assignment
 	p = eval_next_non_blank(*arg, evalarg, &getnext);
 	op = *p;
 	concat = op == '.' && (*(p + 1) == '.' || current_sctx.sc_version < 2);
-	if (op != '+' && op != '-' && !concat)
+	if ((op != '+' && op != '-' && !concat) || p[1] == '=')
 	    break;
 
 	evaluate = evalarg == NULL ? 0 : (evalarg->eval_flags & EVAL_EVALUATE);