From 2eaef106e4a7fc9dc74a7e672b5f550ec1f9786e Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Fri, 6 May 2022 13:14:50 +0100
Subject: 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)
---
 src/eval.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/eval.c')

diff --git a/src/eval.c b/src/eval.c
index 0c6d2e5ac1..18e196f443 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -3769,8 +3769,12 @@ eval7(
 
     /*
      * Environment variable: $VAR.
+     * Interpolated string: $"string" or $'string'.
      */
-    case '$':	ret = eval_env_var(arg, rettv, evaluate);
+    case '$':	if ((*arg)[1] == '"' || (*arg)[1] == '\'')
+		    ret = eval_interp_string(arg, rettv, evaluate);
+		else
+		    ret = eval_env_var(arg, rettv, evaluate);
 		break;
 
     /*
-- 
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