patch 8.2.2481: Vim9: confusing error when variable arguments have default
Problem: Vim9: confusing error when variable arguments have a default
value.
Solution: Give a specific error message. (closes #7793)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 73ff693..cdaba5a 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -781,6 +781,16 @@
Func(1, 'a')
END
CheckScriptFailure(lines, 'E1013: Argument 1: type mismatch')
+
+ lines =<< trim END
+ vim9script
+ def Func( # some comment
+ ...l = []
+ )
+ echo l
+ enddef
+ END
+ CheckScriptFailure(lines, 'E1160:')
enddef
let s:value = ''
diff --git a/src/userfunc.c b/src/userfunc.c
index e220781..82df0bb 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -241,6 +241,11 @@
skip);
if (p == arg)
break;
+ if (*skipwhite(p) == '=')
+ {
+ emsg(_(e_cannot_use_default_for_variable_arguments));
+ break;
+ }
}
}
else
diff --git a/src/version.c b/src/version.c
index 871e048..c6f44a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 2481,
+/**/
2480,
/**/
2479,