commit 04637e243d39f791cfc97c3ce96d99ef1bf047e1
author Bram Moolenaar <Bram@vim.org> Sat Sep 05 18:45:29 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Sep 05 18:45:29 2020 +0200
tree 9a0b639ceed7fdde69ca0deeaa9c2bfd9e5404c0
parent b02628b8a20ad0c42a097207b3b49ae5169d04d7

patch 8.2.1606: Vim9: cannot use "true" with has()

Problem:    Vim9: cannot use "true" with has().
Solution:   Use tv_get_bool(). (closes #6876)

src/evalfunc.c

diff --git a/src/evalfunc.c b/src/evalfunc.c
index aefb1bf..9e384da 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -4763,7 +4763,7 @@
 	}
     }
 
-    if (argvars[1].v_type != VAR_UNKNOWN && tv_get_number(&argvars[1]) != 0)
+    if (argvars[1].v_type != VAR_UNKNOWN && tv_get_bool(&argvars[1]))
 	// return whether feature could ever be enabled
 	rettv->vval.v_number = x;
     else

src/testdir/test_vim9_func.vim

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index eb608c5..dcc8087 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1516,6 +1516,10 @@
   set wildignore&
 enddef
 
+def Test_has()
+  assert_equal(1, has('eval', true))
+enddef
+
 def Fibonacci(n: number): number
   if n < 2
     return n

src/version.c

diff --git a/src/version.c b/src/version.c
index 69aecec..70f736d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1606,
+/**/
     1605,
 /**/
     1604,