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https://github.com/golang/go
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32f2f72c47
When a method is called using the Type.Method(receiver, args...) syntax without the receiver, or enough arguments, provide the more helpful error message "not enough arguments in call to method expression Type.Method" instead of the old message "not enough arguments in call to Type.Method". Fixes #8385 Change-Id: Id5037eb1ee5fa93687d4a6557b4a8233b29e9df2 Reviewed-on: https://go-review.googlesource.com/2193 Reviewed-by: Russ Cox <rsc@golang.org>
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
// errorcheck
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// Copyright 2014 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 8385: provide a more descriptive error when a method expression
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// is called without a receiver.
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package main
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type Fooer interface {
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Foo(i, j int)
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}
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func f(x int) {
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}
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type I interface {
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M(int)
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}
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type T struct{}
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func (t T) M(x int) {
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}
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func g() func(int)
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func main() {
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Fooer.Foo(5, 6) // ERROR "not enough arguments in call to method expression Fooer.Foo"
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var i I
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var t *T
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g()() // ERROR "not enough arguments in call to g\(\)"
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f() // ERROR "not enough arguments in call to f"
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i.M() // ERROR "not enough arguments in call to i\.M"
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I.M() // ERROR "not enough arguments in call to method expression I\.M"
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t.M() // ERROR "not enough arguments in call to t\.M"
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T.M() // ERROR "not enough arguments in call to method expression T\.M"
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(*T).M() // ERROR "not enough arguments in call to method expression \(\*T\)\.M"
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}
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