gen: add panic message when using '?' with `none` (#6919)

2020-11-23 15:16:38 +00:00 · 2020-11-23 15:16:38 +00:00 · 380e3640e3
parent 96539e43b5
commit 380e3640e3
1 changed files with 1 additions and 1 deletions
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@ -5196,7 +5196,7 @@ fn (mut g Gen) or_block(var_name string, or_block ast.OrExpr, return_type table.
 				paline, pafile, pamod, pafn := g.panic_debug_info(or_block.pos)
 				g.writeln('panic_debug($paline, tos3("$pafile"), tos3("$pamod"), tos3("$pafn"), ${cvar_name}.v_error );')
 			} else {
-				g.writeln('\tv_panic(${cvar_name}.v_error);')
+				g.writeln('\tv_panic(_STR("optional not set (%.*s\\000)", 2, ${cvar_name}.v_error));')
 			}
 		} else {
 			// In ordinary functions, `opt()?` call is sugar for: