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go/test/fixedbugs/issue17631.go
Emmanuel Odeke 7b4545653c cmd/compile: improve error message for unknown fields in structs
Improves the error message by moving the field name before the body
of a struct, in the error message for unknown fields for structs.

* Exhibit:
Given program:

package main

import "time"

func main() {
  _ = struct {
    about      string
    before     map[string]uint
    update     map[string]int
    updateTime time.Time
    expect     map[string]int
  }{
    about:   "this one",
    updates: map[string]int{"gopher": 10},
  }
}

* Before:
./issue17631.go:20: unknown struct { about string; before map[string]uint;
 update map[string]int; updateTime time.Time; expect map[string]int } field
'updates' in struct literal

* After:
./issue17631.go:20: unknown field 'updates' in struct literal of type { about string;
before map[string]uint; update map[string]int; updateTime time.Time;
expect map[string]int }

Fixes #17631

Change-Id: I76842616411b931b5ad7a76bd42860dfde7739f4
Reviewed-on: https://go-review.googlesource.com/32240
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2016-10-29 05:33:14 +00:00

23 lines
494 B
Go

// errorcheck
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "time"
func main() {
_ = struct {
about string
before map[string]uint
update map[string]int
updateTime time.Time
expect map[string]int
}{
about: "this one",
updates: map[string]int{"gopher": 10}, // ERROR "unknown field 'updates' in struct literal of type"
}
}