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https://github.com/golang/go
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fc0dc04095
Very few of the compiler regression tests include a comment saying waht they do. Many are obvious, some are anything but. I've started with a-c in the top directory. More will follow once we agree on the approach, correctness, and thoroughness here. zerodivide.go sneaked in too. R=rsc, r CC=golang-dev https://golang.org/cl/5656100
43 lines
1 KiB
Go
43 lines
1 KiB
Go
// errorcheck
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// Copyright 2011 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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// Verify that illegal composite literals are detected.
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// Does not compile.
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package main
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var m map[int][3]int
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func f() [3]int
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func fp() *[3]int
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var mp map[int]*[3]int
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var (
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_ = [3]int{1, 2, 3}[:] // ERROR "slice of unaddressable value"
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_ = m[0][:] // ERROR "slice of unaddressable value"
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_ = f()[:] // ERROR "slice of unaddressable value"
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// these are okay because they are slicing a pointer to an array
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_ = (&[3]int{1, 2, 3})[:]
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_ = mp[0][:]
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_ = fp()[:]
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)
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type T struct {
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i int
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f float64
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s string
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next *T
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}
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var (
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_ = &T{0, 0, "", nil} // ok
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_ = &T{i: 0, f: 0, s: "", next: {}} // ERROR "missing type in composite literal|omit types within composite literal"
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_ = &T{0, 0, "", {}} // ERROR "missing type in composite literal|omit types within composite literal"
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)
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