fix: cast private function

Signed-off-by: Eray Ates <[email protected]>

Makefile

@@ -1,27 +1,32 @@
 .DEFAULT_GOAL := help
 
-.PHONY: example test coverage help html html-gen html-wsl
-
+.PHONY: test-data
 test-data: export DATA ?= ColorGroup
 test-data: ## Run data test
 	@go test -timeout 30s -v -run ^Test_Data$
 
+.PHONY: test
 test: export DATA ?= ColorGroup
 test: ## Run unit tests
 	@go test -race -cover ./...
 
+.PHONY: coverage
 coverage: ## Run unit tests with coverage
 	@go test -v -race -cover -coverpkg=./... -coverprofile=coverage.out -covermode=atomic ./...
 	@go tool cover -func=coverage.out
 
+.PHONY: html
 html: ## Show html coverage result
 	@go tool cover -html=./coverage.out
 
+.PHONY: html-gen
 html-gen: ## Export html coverage result
 	@go tool cover -html=./coverage.out -o ./coverage.html
 
+.PHONY: html-wsl
 html-wsl: html-gen ## Open html coverage result in wsl
 	@explorer.exe `wslpath -w ./coverage.html` || true
 
+.PHONY: help
 help: ## Display this help screen
 	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

cast.go

@@ -7,9 +7,9 @@ import (
 	"strconv"
 )
 
-// ToStringE casts an interface to a string type.
+// toStringE casts an interface to a string type.
 // Taken from github.com/spf13/cast. All rights reserved.
-func ToStringE(i interface{}) (string, error) {
+func toStringE(i interface{}) (string, error) {
 	i = indirectToStringerOrError(i)
 	switch s := i.(type) {
 	case string:

example_test.go

@@ -38,7 +38,7 @@ func Example() {
 		Date:   types.Time{Time: d},
 	}
 
-	result := (&struct2.Decoder{}).SetTagName("json").Map(group) // default tag name is "struct"
+	result := new(struct2.Decoder).SetTagName("json").Map(group) // default tag name is "struct"
 
 	// fmt.Printf("%#v", result)
 	SortPrint(result)

map.go

@@ -64,7 +64,7 @@ FIELDS:
 		}
 
 		if tagOpts.Has("string") {
-			s, err := ToStringE(val.Interface())
+			s, err := toStringE(val.Interface())
 			if err != nil {
 				continue
 			}