golang ddd1 代码
文件路径：/test/ddd1.go
/ errorcheck
/ Copyright 2010 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/ Verify that illegal uses of ... are detected.
/ Does not compile.
package main
import "unsafe"
func sum(args ...int) int { return 0 }
var (
_ = sum(1, 2, 3)
_ = sum()
_ = sum(1.0, 2.0)
_ = sum(1.5) / ERROR "1\.5 .untyped float constant. as int|integer"
_ = sum("hello") / ERROR ".hello. (.untyped string constant. as int|.type untyped string. as type int)|incompatible"
_ = sum([]int{1}) / ERROR "\[\]int{.*}.*as type int"
)
func sum3(int, int, int) int { return 0 }
func tuple() (int, int, int) { return 1, 2, 3 }
var (
_ = sum(tuple())
_ = sum(tuple()...) / ERROR "\.{3} with 3-valued|multiple-value"
_ = sum3(tuple())
_ = sum3(tuple()...) / ERROR "\.{3} in call to non-variadic|multiple-value|invalid use of .*[.][.][.]"
)
type T []T
func funny(args ...T) int { return 0 }
var (
_ = funny(nil)
_ = funny(nil, nil)
_ = funny([]T{}) / ok because []T{} is a T; passes []T{[]T{}}
)
func Foo(n int) {}
func bad(args ...int) {
print(1, 2, args...) / ERROR "[.][.][.]"
println(args...) / ERROR "[.][.][.]"
ch := make(chan int)
close(ch...) / ERROR "[.][.][.]"
_ = len(args...) / ERROR "[.][.][.]"
_ = new(int...) / ERROR "[.][.][.]"
n := 10
_ = make([]byte, n...) / ERROR "[.][.][.]"
_ = make([]byte, 10 ...) / ERROR "[.][.][.]"
var x int
_ = unsafe.Pointer(&x...) / ERROR "[.][.][.]"
_ = unsafe.Sizeof(x...) / ERROR "[.][.][.]"
_ = [...]byte("foo") / ERROR "[.][.][.]"
_ = [...][...]int{{1,2,3},{4,5,6}} / ERROR "[.][.][.]"
Foo(x...) / ERROR "\.{3} in call to non-variadic|invalid use of .*[.][.][.]"
}