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go/ast: fix formatting of error message

There are three problems:
1. There is no CR at the end of the message.
2. The message is unconditionally printed.
3. The message is printed to stdout.

Change-Id: Ib2d880eea03348e8a69720aad7752302a75bd277
Reviewed-on: https://go-review.googlesource.com/9622
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Dmitry Vyukov 2015-05-02 14:47:27 +03:00
parent fbb4c7454b
commit 172f27652e

View File

@ -361,8 +361,7 @@ func Walk(v Visitor, node Node) {
}
default:
fmt.Printf("ast.Walk: unexpected node type %T", n)
panic("ast.Walk")
panic(fmt.Sprintf("ast.Walk: unexpected node type %T", n))
}
v.Visit(nil)