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patch 8.2.2066: Vim9: assignment with += doesn't work

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Problem:    Vim9: assignment with += doesn't work.
Solution:   Do not see the "+" as an addition operator.
This commit is contained in:
Bram Moolenaar
2020-11-28 21:21:17 +01:00
parent f8ca03bf91
commit ce2c5444e2
4 changed files with 22 additions and 16 deletions
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3
src/eval.c
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@@ -2769,10 +2769,11 @@ eval5(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
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);