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go/parser: correct channel conversion is not accepted #4111

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griesemer opened this issue Sep 19, 2012 · 1 comment
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go/parser: correct channel conversion is not accepted #4111

griesemer opened this issue Sep 19, 2012 · 1 comment
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@griesemer
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@griesemer griesemer commented Sep 19, 2012

package p
var c chan int
var x int = <-chan int(c)

produces a syntax error:

x.go:3:13: expected expression

but it should be interpreted as:

package p
var c chan int
var x int = <-(chan int)(c)

According to the spec, <-chan int(c) is not a conversion (
http://tip.golang.org/ref/spec#Conversions ); this is even true under consideration of
issue #4109 (documentation error in the spec).

The gc compiler accepts this code.
@griesemer
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@griesemer griesemer commented Oct 3, 2012

Comment 1:

This issue was closed by revision 05dc3bf.

Status changed to Fixed.

@griesemer griesemer added fixed labels Oct 3, 2012
@griesemer griesemer self-assigned this Oct 3, 2012
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