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go/test/fixedbugs/issue8385.go
Michael Matloob 32f2f72c47 cmd/compile: provide better error when method called without receiver
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>
2015-06-18 19:37:38 +00:00

43 lines
1.0 KiB
Go

// errorcheck
// Copyright 2014 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.
// Issue 8385: provide a more descriptive error when a method expression
// is called without a receiver.
package main
type Fooer interface {
Foo(i, j int)
}
func f(x int) {
}
type I interface {
M(int)
}
type T struct{}
func (t T) M(x int) {
}
func g() func(int)
func main() {
Fooer.Foo(5, 6) // ERROR "not enough arguments in call to method expression Fooer.Foo"
var i I
var t *T
g()() // ERROR "not enough arguments in call to g\(\)"
f() // ERROR "not enough arguments in call to f"
i.M() // ERROR "not enough arguments in call to i\.M"
I.M() // ERROR "not enough arguments in call to method expression I\.M"
t.M() // ERROR "not enough arguments in call to t\.M"
T.M() // ERROR "not enough arguments in call to method expression T\.M"
(*T).M() // ERROR "not enough arguments in call to method expression \(\*T\)\.M"
}