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builtin: clarify that interface types do not implement comparable
Fixes #51083 Change-Id: Ic9207ae4104b06749925186e0eb4f18edf1b5007 Reviewed-on: https://go-review.googlesource.com/c/go/+/384235 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
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@ -95,11 +95,11 @@ type rune = int32
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type any = interface{}
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// comparable is an interface that is implemented by all comparable types
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// (booleans, numbers, strings, pointers, channels, interfaces,
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// arrays of comparable types, structs whose fields are all comparable types).
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// (booleans, numbers, strings, pointers, channels, arrays of comparable types,
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// structs whose fields are all comparable types).
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// The comparable interface may only be used as a type parameter constraint,
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// not as the type of a variable.
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type comparable comparable
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type comparable interface{ comparable }
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// iota is a predeclared identifier representing the untyped integer ordinal
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// number of the current const specification in a (usually parenthesized)
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