# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1609764304 -3600
# Node ID 18f3dc6974af50b0bbb2bb32944f34675d160855
# Parent  66c2449bef2e2574c688aeab1e7db9035019b213
patch 8.2.2297: Vim9: cannot set 'number' to a boolean value

Commit: https://github.com/vim/vim/commit/0ea04408653be843e37d03ce574f5d2eae682339
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Jan 4 13:37:54 2021 +0100

    patch 8.2.2297: Vim9: cannot set 'number' to a boolean value

    Problem:    Vim9: cannot set 'number' to a boolean value.
    Solution:   Use tv_get_bool(). (closes https://github.com/vim/vim/issues/7615)

diff --git a/src/evalvars.c b/src/evalvars.c
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -1370,8 +1370,14 @@ ex_let_one(
 			|| opt_type == gov_hidden_bool
 			|| opt_type == gov_hidden_number)
 			     && (tv->v_type != VAR_STRING || !in_vim9script()))
-		// number, possibly hidden
-		n = (long)tv_get_number(tv);
+	    {
+		if (opt_type == gov_bool || opt_type == gov_hidden_bool)
+		    // bool, possibly hidden
+		    n = (long)tv_get_bool(tv);
+		else
+		    // number, possibly hidden
+		    n = (long)tv_get_number(tv);
+	    }
 
 	    // Avoid setting a string option to the text "v:false" or similar.
 	    // In Vim9 script also don't convert a number to string.
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -161,6 +161,15 @@ def Test_assignment()
     assert_equal(6, &g:ts)
     &g:ts += 2
     assert_equal(8, &g:ts)
+
+    &number = true
+    assert_equal(true, &number)
+    &number = 0
+    assert_equal(false, &number)
+    &number = 1
+    assert_equal(true, &number)
+    &number = false
+    assert_equal(false, &number)
   END
   CheckDefAndScriptSuccess(lines)
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2297,
+/**/
     2296,
 /**/
     2295,