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https://github.com/golang/go
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88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// errorcheck
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 4463: test builtin functions in statement context and in
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// go/defer functions.
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package p
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import "unsafe"
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func F() {
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var a []int
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var c chan int
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var m map[int]int
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var s struct{ f int }
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append(a, 0) // ERROR "not used"
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cap(a) // ERROR "not used"
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complex(1, 2) // ERROR "not used"
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imag(1i) // ERROR "not used"
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len(a) // ERROR "not used"
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make([]int, 10) // ERROR "not used"
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new(int) // ERROR "not used"
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real(1i) // ERROR "not used"
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unsafe.Alignof(a) // ERROR "not used"
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unsafe.Offsetof(s.f) // ERROR "not used"
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unsafe.Sizeof(a) // ERROR "not used"
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close(c)
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copy(a, a)
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delete(m, 0)
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panic(0)
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print("foo")
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println("bar")
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recover()
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(close(c))
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(copy(a, a))
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(delete(m, 0))
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(panic(0))
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(print("foo"))
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(println("bar"))
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(recover())
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go append(a, 0) // ERROR "discards result"
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go cap(a) // ERROR "discards result"
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go complex(1, 2) // ERROR "discards result"
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go imag(1i) // ERROR "discards result"
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go len(a) // ERROR "discards result"
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go make([]int, 10) // ERROR "discards result"
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go new(int) // ERROR "discards result"
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go real(1i) // ERROR "discards result"
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go unsafe.Alignof(a) // ERROR "discards result"
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go unsafe.Offsetof(s.f) // ERROR "discards result"
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go unsafe.Sizeof(a) // ERROR "discards result"
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go close(c)
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go copy(a, a)
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go delete(m, 0)
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go panic(0)
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go print("foo")
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go println("bar")
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go recover()
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defer append(a, 0) // ERROR "discards result"
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defer cap(a) // ERROR "discards result"
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defer complex(1, 2) // ERROR "discards result"
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defer imag(1i) // ERROR "discards result"
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defer len(a) // ERROR "discards result"
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defer make([]int, 10) // ERROR "discards result"
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defer new(int) // ERROR "discards result"
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defer real(1i) // ERROR "discards result"
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defer unsafe.Alignof(a) // ERROR "discards result"
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defer unsafe.Offsetof(s.f) // ERROR "discards result"
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defer unsafe.Sizeof(a) // ERROR "discards result"
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defer close(c)
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defer copy(a, a)
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defer delete(m, 0)
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defer panic(0)
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defer print("foo")
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defer println("bar")
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defer recover()
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}
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