fix idx error message (#54)

.github/CONTRIBUTING.md

@@ -0,0 +1,9 @@
+# Contribution Guidelines
+
+## Quality Standard
+
+To ensure the continued stability of this package, tests are required that cover the change in order for a pull request to be merged.
+
+## Reporting issues
+
+Please open an issue or join the gitter chat [![Join the chat at https://gitter.im/go-playground/validator](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/go-playground/validator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) for any issues, questions or possible enhancements to the package.

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,13 @@
+### Package version eg. v9, v10: 
+
+
+
+### Issue, Question or Enhancement:
+
+
+
+### Code sample, to showcase or reproduce:
+
+```go
+
+```

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,7 @@
+## Fixes Or Enhances
+
+
+**Make sure that you've checked the boxes below before you submit PR:**
+- [ ] Tests exist or have been written that cover this particular change.
+
+@go-playground/admins

.github/workflows/workflow.yml

@@ -0,0 +1,48 @@
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.15.x, 1.16.x]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Restore Cache
+        uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-v1-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-v1-go-
+
+      - name: Test
+        run: go test -race -covermode=atomic -coverprofile="profile.cov" ./...
+
+      - name: Send Coverage
+        if: matrix.os == 'ubuntu-latest' && matrix.go-version == '1.16.x'
+        uses: shogo82148/actions-goveralls@v1
+        with:
+          path-to-profile: profile.cov
+
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.37.1

README.md

@@ -1,7 +1,7 @@
 Package form
 ============
-<img align="right" src="https://raw.githubusercontent.com/go-playground/form/master/logo.jpg">![Project status](https://img.shields.io/badge/version-4.1.2-green.svg)
-[![Build Status](https://travis-ci.org/go-playground/form.svg?branch=master)](https://travis-ci.org/go-playground/form)
+<img align="right" src="https://raw.githubusercontent.com/go-playground/form/master/logo.jpg">![Project status](https://img.shields.io/badge/version-4.1.3-green.svg)
+[![Build Status](https://github.com/go-playground/form/actions/workflows/workflow.yml/badge.svg)](https://github.com/go-playground/form/actions/workflows/workflow.yml)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/form/badge.svg?branch=master)](https://coveralls.io/github/go-playground/form?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/form)](https://goreportcard.com/report/github.com/go-playground/form)
 [![GoDoc](https://godoc.org/github.com/go-playground/form?status.svg)](https://godoc.org/github.com/go-playground/form)

decoder.go

@@ -317,7 +317,7 @@ func (d *decoder) setFieldByType(current reflect.Value, namespace []byte, idx in
 		}
 		var f float64
 		if f, err = strconv.ParseFloat(arr[idx], 32); err != nil {
-			d.setError(namespace, fmt.Errorf("Invalid Float Value '%s' Type '%v' Namespace '%s'", arr[0], v.Type(), string(namespace)))
+			d.setError(namespace, fmt.Errorf("Invalid Float Value '%s' Type '%v' Namespace '%s'", arr[idx], v.Type(), string(namespace)))
 			return
 		}
 		v.SetFloat(f)
@@ -329,7 +329,7 @@ func (d *decoder) setFieldByType(current reflect.Value, namespace []byte, idx in
 		}
 		var f float64
 		if f, err = strconv.ParseFloat(arr[idx], 64); err != nil {
-			d.setError(namespace, fmt.Errorf("Invalid Float Value '%s' Type '%v' Namespace '%s'", arr[0], v.Type(), string(namespace)))
+			d.setError(namespace, fmt.Errorf("Invalid Float Value '%s' Type '%v' Namespace '%s'", arr[idx], v.Type(), string(namespace)))
 			return
 		}
 		v.SetFloat(f)

decoder_test.go

@@ -552,7 +552,6 @@ func TestDecoderStruct(t *testing.T) {
 		}
 		Time                       time.Time
 		TimePtr                    *time.Time
-		unexposed                  string
 		Invalid                    interface{}
 		ExistingMap                map[string]string `form:"mp"`
 		MapNoValue                 map[int]int
@@ -1157,7 +1156,7 @@ func TestDecoderPanicsAndBadValues(t *testing.T) {
 
 	decoder := NewDecoder()
 
-	PanicMatches(t, func() { decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone[0.Number' missing ']' bracket")
+	PanicMatches(t, func() { _ = decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone[0.Number' missing ']' bracket")
 
 	i := 1
 	err := decoder.Decode(i, values)
@@ -1187,19 +1186,19 @@ func TestDecoderPanicsAndBadValues(t *testing.T) {
 		"Phone0].Number": []string{"1(111)111-1111"},
 	}
 
-	PanicMatches(t, func() { decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone0].Number' missing '[' bracket")
+	PanicMatches(t, func() { _ = decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone0].Number' missing '[' bracket")
 
 	values = url.Values{
 		"Phone[[0.Number": []string{"1(111)111-1111"},
 	}
 
-	PanicMatches(t, func() { decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone[[0.Number' missing ']' bracket")
+	PanicMatches(t, func() { _ = decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone[[0.Number' missing ']' bracket")
 
 	values = url.Values{
 		"Phone0]].Number": []string{"1(111)111-1111"},
 	}
 
-	PanicMatches(t, func() { decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone0]].Number' missing '[' bracket")
+	PanicMatches(t, func() { _ = decoder.Decode(&test, values) }, "Invalid formatting for key 'Phone0]].Number' missing '[' bracket")
 }
 
 func TestDecoderMapKeys(t *testing.T) {