parser: better const error

2020-04-16 12:00:05 +08:00 · 2020-04-16 12:00:05 +08:00 · b15780ae51
parent 5e4c5f189f
commit b15780ae51
1 changed files with 4 additions and 1 deletions
--- a/vlib/v/parser/parser.v
+++ b/vlib/v/parser/parser.v
@ -1514,7 +1514,10 @@ fn (p mut Parser) const_decl() ast.ConstDecl {
 	}
 	pos := p.tok.position()
 	p.check(.key_const)
-	p.check(.lpar)
+	if p.tok.kind != .lpar {
+		p.error('consts must be grouped, e.g.\nconst (\n\ta = 1\n)')
+	}
+	p.next() // (
 	var fields := []ast.ConstField
 	for p.tok.kind != .rpar {
 		if p.tok.kind == .comment {