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And then revert the bootstrap cmd directories and certain testdata.
And adjust tests as needed.
Not reverting the changes in std that are bootstrapped,
because some of those changes would appear in API docs,
and we want to use any consistently.
Instead, rewrite 'any' to 'interface{}' in cmd/dist for those directories
when preparing the bootstrap copy.
A few files changed as a result of running gofmt -w
not because of interface{} -> any but because they
hadn't been updated for the new //go:build lines.
Fixes #49884.
Change-Id: Ie8045cba995f65bd79c694ec77a1b3d1fe01bb09
Reviewed-on: https://go-review.googlesource.com/c/go/+/368254
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Change-Id: Id2336a6059f7a8d627e6c0661a4d4c05485b65f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/355589
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
Trust: Robert Findley <rfindley@google.com>
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"so" didn't have an antecedent.
Change-Id: I27f7b334decea7bc34bfa3f3f2d3a79874c6fe90
Reviewed-on: https://go-review.googlesource.com/c/go/+/360797
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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errors.Is internally unwraps the error until the error matches the
target. Because of this, a user-authored Is method on an error type
need not call errors.Unwrap on itself or the target, because that would
make the unwrapping operation O(N^2). It is a subtle detail to remind
authors for resource efficiency reasons.
Change-Id: Ic1ba59a5bdbfe2c7cb51a2cba2537ab6de4a13ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/356789
Reviewed-by: Jean de Klerk <deklerk@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Jean de Klerk <deklerk@google.com>
Trust: Damien Neil <dneil@google.com>
Run-TryBot: Jean de Klerk <deklerk@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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Change-Id: I2fe6037c45a0dfe25f946a92ff97b5e3fbd69bc0
GitHub-Last-Rev: 644d479a27c0eccfc0b37e1a560ca09e47b5a972
GitHub-Pull-Request: golang/go#44851
Reviewed-on: https://go-review.googlesource.com/c/go/+/299629
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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The old os references are still valid, but update our code
to reflect best practices and get used to the new locations.
Code compiled with the bootstrap toolchain
(cmd/asm, cmd/dist, cmd/compile, debug/elf)
must remain Go 1.4-compatible and is excluded.
For #41190.
Change-Id: I8f9526977867c10a221e2f392f78d7dec073f1bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/243907
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Rob Pike <r@golang.org>
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Add ExampleIs to illustrate how errors.Is works.
Updates #31716.
Updates #38369.
Change-Id: I1b9a6667614635aa3a5ed8b2c108d8eb6f35748b
Reviewed-on: https://go-review.googlesource.com/c/go/+/228038
Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: Ia26b4457aa0780171a636df93f8d210de0278ec5
GitHub-Last-Rev: 577a6fec336010cb56a547bf2d6304fd3e0cb257
GitHub-Pull-Request: golang/go#37760
Reviewed-on: https://go-review.googlesource.com/c/go/+/222621
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Fixes #34846
Change-Id: I24b3e65fc96ec85b2821480e9396c9d1663611c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/200678
Run-TryBot: Johan Brandhorst <johan.brandhorst@gmail.com>
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Change-Id: Ic8d8399f726c1f9376499fdae92bea41632586ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/193602
Reviewed-by: Jonathan Amsterdam <jba@google.com>
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You can't call Unwrap on the return value of fmt.Errorf, but
you can pass the result to errors.Unwrap.
Also, move the description of the Unwrap function up so the
example makes sense.
Fixes #34061.
Change-Id: Ica07c44665c5e65deea4aa6a146fc543a5a0a99d
Reviewed-on: https://go-review.googlesource.com/c/go/+/193298
Run-TryBot: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Katie Hockman <katie@golang.org>
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Add brief descriptions of why one might implement
an Is or As method.
Fixes #33364.
Change-Id: I81a091bf564c654ddb9ef3997e780451a01efb7a
Reviewed-on: https://go-review.googlesource.com/c/go/+/191338
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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This reverts commit 739123c3a36f30af06c294741f74a26e54ee21ad.
Reason for revert: broke Windows and Plan 9 builders
Fixes #33828
Change-Id: I1d85c81549b1b34924fdd0ade8bf9406e5cf6555
Reviewed-on: https://go-review.googlesource.com/c/go/+/191742
Run-TryBot: Andrew Bonventre <andybons@golang.org>
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Change-Id: I2bddee9b460d3875911859b49528a00d318f37fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/184237
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
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Explain wrapping and how to use Is and As in the package doc.
Explain "chain" in Is and As.
Updates #33364.
Change-Id: Ic06362106dbd129e33dd47e63176ee5355492086
Reviewed-on: https://go-review.googlesource.com/c/go/+/188737
Reviewed-by: Rob Pike <r@golang.org>
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Change-Id: I389d140e8fd2849e4dc438246add47819f6b25a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/181300
Reviewed-by: Bryan C. Mills <bcmills@google.com>
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Check the value of target after As returns true.
Change-Id: I76a2b25fe825ee1dbb5f39f8f0b211c55bd25a4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/181299
Reviewed-by: Bryan C. Mills <bcmills@google.com>
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The example in example_test.go requires that the whole file be
displayed; the addition of ExampleAs meant that only the body of the
package example function was shown, rather than the surrounding context.
This change moves ExampleAs to the file wrap_test.go file, restoring the
package example to its former glory.
Update #31716
Change-Id: Id0ea77bc06023b239a63c1d6a7c8b3c1dae91ce9
Reviewed-on: https://go-review.googlesource.com/c/go/+/179737
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
Reviewed-by: Jean de Klerk <deklerk@google.com>
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
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The Wrapper type no longer exists.
Change-Id: I21051f26c6722a957295819f2f385f2bbd0db355
Reviewed-on: https://go-review.googlesource.com/c/go/+/177618
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The current example illustrates using As when the error is able to be
interpreted as an os.PathError, but elides the "else" case. This CL adds the
small extra else case to make it clear that it's not safe to assume As will
return true.
This CL also squash the err instantiation and the err nil check into one line
for brevity.
Change-Id: I3d3ab483ffb38fb2788d0498b3f03229a87dd7c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/177717
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
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Reverts the following changes:
https://go.googlesource.com/go/+/1f90d081391d4f5911960fd28d81d7ea5e554a8f
https://go.googlesource.com/go/+/8bf18b56a47a98b9dd2fa03beb358312237a8c76
https://go.googlesource.com/go/+/5402854c3557f87fa2741a52ffc15dfb1ef333cc
https://go.googlesource.com/go/+/37f84817247d3b8e687a701ccb0d6bc7ffe3cb78
https://go.googlesource.com/go/+/6be6f114e0d483a233101a67c9644cd72bd3ae7a
Partially reverts the followinng change, removing the errors.Opaque
function and the errors.Wrapper type definition:
https://go.googlesource.com/go/+/62f5e8156ef56fa61e6af56f4ccc633bde1a9120
Updates documentation referencing the Wrapper type.
Change-Id: Ia622883e39cafb06809853e3fd90b21441124534
Reviewed-on: https://go-review.googlesource.com/c/go/+/176997
Run-TryBot: Damien Neil <dneil@google.com>
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Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
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golang.org/cl/175260 fixed Is panics if target is uncomparable. It did
add an useless condition checking whether target is comparable. Just
remove that condition.
Change-Id: I0a317056479638d209b0a0cbc7010c153558c087
Reviewed-on: https://go-review.googlesource.com/c/go/+/176497
Reviewed-by: Joan Lopez de la Franca Beltran <joanjan14@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Fixes #31841
Change-Id: I3f068686154fd2fa5755b0df47b4eaa5c9a19107
Reviewed-on: https://go-review.googlesource.com/c/go/+/175260
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
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The Unwrap function performs a type assertion looking for the Wrapper
interface. The method of that interface is called Unwrap but the
interface itself is called Wrapper.
Change-Id: Ie3bf296f93b773d36015bcab2a0e6585d39783c7
GitHub-Last-Rev: 32b1a0c2f8bf8f3eaebf6de252571d82313e86e0
GitHub-Pull-Request: golang/go#31794
Reviewed-on: https://go-review.googlesource.com/c/go/+/174917
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Fixes #30970
Change-Id: I333676b55a2364e329fffeafca8fc57d45a0b84b
Reviewed-on: https://go-review.googlesource.com/c/go/+/168598
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
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This applies only for cases where %w is not used.
The purpose of this change is to reduce test failures where tests
depend on these two being the same type, as they previously were.
Change-Id: I2dd28b93fe1d59f3cfbb4eb0875d1fb8ee699746
Reviewed-on: https://go-review.googlesource.com/c/go/+/167402
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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See Issue #29382 and Issue #30468.
Improvements in this CL:
name old time/op new time/op delta
New-8 352ns ± 2% 225ns ± 5% -36.04% (p=0.008 n=5+5)
Improvements together with moving to 1 uintptr:
name old time/op new time/op delta
New-8 475ns ± 3% 225ns ± 5% -52.59% (p=0.008 n=5+5)
Change-Id: I9d69a14e5e10a6498767defb7d5f26ceedcf9ba5
Reviewed-on: https://go-review.googlesource.com/c/go/+/167401
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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See Issue #29382 and Issue #30468.
3 frames are no longer needed as of
https://go-review.googlesource.com/c/go/+/152537/
name old time/op new time/op delta
New-8 475ns ± 3% 352ns ± 2% -25.87% (p=0.008 n=5+5)
Errorf/no_format-8 661ns ± 4% 558ns ± 2% -15.63% (p=0.008 n=5+5)
Errorf/with_format-8 729ns ± 6% 626ns ± 2% -14.23% (p=0.008 n=5+5)
Errorf/method:_mytype-8 1.00µs ± 9% 0.84µs ± 2% -15.94% (p=0.008 n=5+5)
Errorf/method:_number-8 1.25µs ± 7% 1.04µs ± 2% -16.38% (p=0.008 n=5+5)
Change-Id: I30377e769b3b3be623f63ecbe365f8950ca08dda
Reviewed-on: https://go-review.googlesource.com/c/go/+/167400
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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Unwrap, Is and As are as defined in proposal
Issue #29934.
Also add Opaque for enforcing an error cannot
be unwrapped.
Change-Id: I4f3feaa42e3ee7477b588164ac622ba4d5e77cad
Reviewed-on: https://go-review.googlesource.com/c/163558
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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errors.New now implements Formatter and includes Frame
information that is reported when detail is requested.
Partly implements proposal Issue #29934.
Change-Id: Id76888d246d7d862595b5e92d517b9c03f23a7a6
Reviewed-on: https://go-review.googlesource.com/c/163557
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
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This is a subset of https://golang.org/cl/20022 with only the copyright
header lines, so the next CL will be smaller and more reviewable.
Go policy has been single space after periods in comments for some time.
The copyright header template at:
https://golang.org/doc/contribute.html#copyright
also uses a single space.
Make them all consistent.
Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0
Reviewed-on: https://go-review.googlesource.com/20111
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.
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