scanner: disabled prefix operator '()'

scanner.go

@@ -269,11 +269,11 @@ func (scanner *scanner) fetchNextToken() (tk *Token) {
 				tk = scanner.makeToken(SymDollar, ch)
 			}
 		case '(':
-			if next, _ := scanner.peek(); next == ')' {
-				tk = scanner.moveOn(SymOpenClosedRound, ch, next)
-			} else {
+//			if next, _ := scanner.peek(); next == ')' {
+//				tk = scanner.moveOn(SymOpenClosedRound, ch, next)
+//			} else {
 				tk = scanner.makeToken(SymOpenRound, ch)
-			}
+//			}
 		case ')':
 			tk = scanner.makeToken(SymClosedRound, ch)
 		case '[':

t_funcs_test.go

@@ -30,6 +30,7 @@ func TestFuncs(t *testing.T) {
 		/*  17 */ {`f=func(x,n){1}; f(3,4,)`, nil, `[1:24] expected "function-param-value", got ")"`},
 		/*  18 */ {`factory=func(base){func(){@base=base+1}}; inc10=factory(10); inc5=factory(5); inc10(); inc5(); inc10()`, int64(12), nil},
 		/*  19 */ {`f=func(a,y=1,z="sos"){}; string(f)`, `f(a, y=1, z="sos"):any{}`, nil},
+//		/*  20 */ {`a=[func(){3}]; a[0]()`, int64(3), nil},
 //		/*  20 */ {`m={}; m["f"]=func(){3}; m["f"]()`, int64(3), nil},
 		// /*  18 */ {`f=func(a){a*2}`, nil, errors.New(`[1:24] expected "function-param-value", got ")"`)},
 	}