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go/types: WriteExpr doc is misleading #22377

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willfaught opened this issue Oct 21, 2017 · 1 comment
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go/types: WriteExpr doc is misleading #22377

willfaught opened this issue Oct 21, 2017 · 1 comment
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Documentation FrozenDueToAge
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Go1.10

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@willfaught
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willfaught commented Oct 21, 2017 •
edited

It says:

// WriteExpr writes the (possibly simplified) string representation for x to buf.

"Simplified" suggests merely reducing expressions in size where equivalent. Instead, it means not writing valid syntax.

What did you do?

https://play.golang.org/p/9_CJWdUEAv

What did you expect to see?

func() {}

What did you see instead?

(func() literal)

System details

go version go1.9.1 darwin/amd64
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/willfaught/Developer/go"
GORACE=""
GOROOT="/usr/local/Cellar/go/1.9.1/libexec"
GOTOOLDIR="/usr/local/Cellar/go/1.9.1/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/_1/ggvd2t1x7hz_185crsb36zlr0000gp/T/go-build370620436=/tmp/go-build -gno-record-gcc-switches -fno-common"
CXX="clang++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOROOT/bin/go version: go version go1.9.1 darwin/amd64
GOROOT/bin/go tool compile -V: compile version go1.9.1
uname -v: Darwin Kernel Version 16.7.0: Thu Jun 15 17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64
ProductName:	Mac OS X
ProductVersion:	10.12.6
BuildVersion:	16G29
lldb --version: lldb-900.0.50.1
  Swift-4.0
@ianlancetaylor ianlancetaylor added this to the Go1.10 milestone Oct 23, 2017
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Change https://golang.org/cl/72690 mentions this issue: go/types: improved documentation for WriteExpr and ExprString

@golang golang locked and limited conversation to collaborators Oct 23, 2018
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@willfaught @ianlancetaylor @griesemer @gopherbot