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cmd/gofmt, internal/format: Gofmt function chaining with lambda issue #12066

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mathvav opened this issue Aug 7, 2015 · 4 comments
Closed

cmd/gofmt, internal/format: Gofmt function chaining with lambda issue #12066

mathvav opened this issue Aug 7, 2015 · 4 comments
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Go1.6

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@mathvav
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mathvav commented Aug 7, 2015

Take this code here:

package main

import "fmt"

type FoobarType struct{}

func (ft *FoobarType) Run(f func()) *FoobarType {
    f()
    return ft
}

func (ft *FoobarType) DoNothing() *FoobarType {
    return ft
}

func main() {
    f := FoobarType{}
    f.Bar().
        DoNothing().
        Run(
            func() {
                fmt.Println("Hi")
            },
        )
}

The issue is when I run go fmt myproject, it changes the main body to this:

func main() {
    f := FoobarType{}
    f.Bar().
        DoNothing().
        Run(
        func() {
            fmt.Println("Hi")
        },
    )
}

Lines 6-9 should be indented one line further. What is the cause of this?
@griesemer griesemer added this to the Go1.6 milestone Aug 7, 2015
@griesemer griesemer self-assigned this Aug 7, 2015
@griesemer
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Looks like an indentation bug.

@mikioh mikioh changed the title Gofmt function chaining with lambda issue cmd/gofmt. internal/format: Gofmt function chaining with lambda issue Aug 10, 2015
@griesemer griesemer changed the title cmd/gofmt. internal/format: Gofmt function chaining with lambda issue cmd/gofmt, internal/format: Gofmt function chaining with lambda issue Aug 21, 2015
@mibk
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mibk commented Aug 23, 2015

Just to put another example, I would expect the following:

func main() {
    f := FoobarType{}
    f.Bar().
        Run(func() {
        fmt.Println("Hi")
    }).
        Set(map[string]interface{}{
        "baz": "syd",
        "bag": 13,
    })
}

to rather look like this:

func main() {
    f := FoobarType{}
    f.Bar().
        Run(func() {
            fmt.Println("Hi")
        }).
        Set(map[string]interface{}{
            "baz": "syd",
            "bag": 13,
        })
}

@gopherbot
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CL https://golang.org/cl/13928 mentions this issue.

@mibk
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mibk commented Aug 27, 2015

@griesemer

@paulbellamy paulbellamy mentioned this issue Feb 22, 2016
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@mibk @mathvav @griesemer @gopherbot