go/src/errors/wrap_test.go, branch json-isValidNumber

errors: move example functions into example_test file

2023-01-20T21:55:10Z

Change-Id: Ide70476698d82a51881802dd6bf05dd7abcd60e8 GitHub-Last-Rev: ddb251ded669d3dbbb96a05f4df7151c8d7c16d2 GitHub-Pull-Request: golang/go#57931 Reviewed-on: https://go-review.googlesource.com/c/go/+/462292 Reviewed-by: Ian Lance Taylor Reviewed-by: Cherry Mui Run-TryBot: Ian Lance Taylor Auto-Submit: Ian Lance Taylor TryBot-Result: Gopher Robot Run-TryBot: Ian Lance Taylor

errors, fmt: add support for wrapping multiple errors

2022-09-29T18:40:40Z

An error which implements an "Unwrap() []error" method wraps all the non-nil errors in the returned []error. We replace the concept of the "error chain" inspected by errors.Is and errors.As with the "error tree". Is and As perform a pre-order, depth-first traversal of an error's tree. As returns the first matching result, if any. The new errors.Join function returns an error wrapping a list of errors. The fmt.Errorf function now supports multiple instances of the %w verb. For #53435. Change-Id: Ib7402e70b68e28af8f201d2b66bd8e87ccfb5283 Reviewed-on: https://go-review.googlesource.com/c/go/+/432898 Reviewed-by: Cherry Mui Reviewed-by: Rob Pike Run-TryBot: Damien Neil Reviewed-by: Joseph Tsai

all: gofmt -w -r 'interface{} -> any' src

2021-12-13T18:45:54Z

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 Run-TryBot: Russ Cox Reviewed-by: Robert Griesemer TryBot-Result: Gopher Robot

errors: add errors.Unwrap example

2021-11-05T21:28:50Z

Change-Id: Id2336a6059f7a8d627e6c0661a4d4c05485b65f3 Reviewed-on: https://go-review.googlesource.com/c/go/+/355589 Reviewed-by: Ian Lance Taylor Run-TryBot: Ian Lance Taylor TryBot-Result: Go Bot Trust: Cherry Mui Trust: Robert Findley

all: update references to symbols moved from os to io/fs

2020-10-20T02:32:42Z

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 Run-TryBot: Russ Cox TryBot-Result: Go Bot Reviewed-by: Rob Pike

errors: add example for Is

2020-04-13T20:04:56Z

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

errors: improve As tests

2019-06-11T17:48:48Z

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

errors: fix package example

2019-06-03T22:09:05Z

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 Reviewed-by: Jean de Klerk Run-TryBot: Benny Siegert TryBot-Result: Gobot Gobot

errors, fmt: revert rejected changes for Go 1.13

2019-05-15T19:53:15Z

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 TryBot-Result: Gobot Gobot Reviewed-by: Marcel van Lohuizen

errors: fix Is panics if target is uncomparable

2019-05-06T17:02:59Z

Fixes #31841 Change-Id: I3f068686154fd2fa5755b0df47b4eaa5c9a19107 Reviewed-on: https://go-review.googlesource.com/c/go/+/175260 Reviewed-by: Damien Neil Reviewed-by: Brad Fitzpatrick Run-TryBot: Brad Fitzpatrick TryBot-Result: Gobot Gobot