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proposal: spec: allow convert ~[]interface{~byte|~rune} to string #64814

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leaxoy opened this issue Dec 20, 2023 · 3 comments
Open

proposal: spec: allow convert ~[]interface{~byte|~rune} to string #64814

leaxoy opened this issue Dec 20, 2023 · 3 comments
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generics Issue is related to generics Proposal
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@leaxoy
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leaxoy commented Dec 20, 2023

Proposal Details

Currently we have generics, but can't convert byte or rune slice to string. https://go.dev/play/p/QIBgNfzHYFY

Let's support it.
@gopherbot gopherbot added this to the Proposal milestone Dec 20, 2023
@adonovan
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adonovan commented Dec 20, 2023 •
edited

To be more specific: today it is possible to apply the string(.) conversion to:

  • a byte or rune;
  • a []byte or []rune;
  • a type variable constrained to be []byte or []rune; but not
  • a type variable constrained to be a slice of elements constrained to byte or rune.

See https://go.dev/play/p/wrnZwb0pGfz

@griesemer @ianlancetaylor

@adonovan adonovan added the generics Issue is related to generics label Dec 20, 2023
@earthboundkid

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@griesemer
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@carlmjohnson This is not a bug, but it's still unfortunate. Related: #63940 . Generics are hard.

@seankhliao seankhliao changed the title proposal: allow convert ~[]interface{~byte|~rune} to string proposal: spec: allow convert ~[]interface{~byte|~rune} to string Jan 13, 2024
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generics Issue is related to generics Proposal
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@earthboundkid @adonovan @griesemer @leaxoy @gopherbot