remove redundant functions

config/parameter.go

@@ -16,12 +16,6 @@
 
 package config
 
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
-
 // Parameters is a map of all configuration parameters.
 type Parameters map[string]Parameter
 
@@ -51,34 +45,3 @@ const (
 func (pt ParameterType) MarshalText() ([]byte, error) {
 	return []byte(pt.String()), nil
 }
-
-func (pt *ParameterType) UnmarshalText(b []byte) error {
-	if len(b) == 0 {
-		return nil // empty string, do nothing
-	}
-
-	switch string(b) {
-	case ParameterTypeString.String():
-		*pt = ParameterTypeString
-	case ParameterTypeInt.String():
-		*pt = ParameterTypeInt
-	case ParameterTypeFloat.String():
-		*pt = ParameterTypeFloat
-	case ParameterTypeBool.String():
-		*pt = ParameterTypeBool
-	case ParameterTypeFile.String():
-		*pt = ParameterTypeFile
-	case ParameterTypeDuration.String():
-		*pt = ParameterTypeDuration
-	default:
-		// it may not be a known parameter type, but we also allow ParameterType(int)
-		valIntRaw := strings.TrimSuffix(strings.TrimPrefix(string(b), "ParameterType("), ")")
-		valInt, err := strconv.Atoi(valIntRaw)
-		if err != nil {
-			return fmt.Errorf("parameter type %q: %w", b, ErrInvalidParameterType)
-		}
-		*pt = ParameterType(valInt)
-	}
-
-	return nil
-}

config/validation.go

@@ -48,37 +48,6 @@ func (vt ValidationType) MarshalText() ([]byte, error) {
 	return []byte(vt.String()), nil
 }
 
-func (vt *ValidationType) UnmarshalText(b []byte) error {
-	if len(b) == 0 {
-		return nil // empty string, do nothing
-	}
-
-	switch string(b) {
-	case ValidationTypeRequired.String():
-		*vt = ValidationTypeRequired
-	case ValidationTypeGreaterThan.String():
-		*vt = ValidationTypeGreaterThan
-	case ValidationTypeLessThan.String():
-		*vt = ValidationTypeLessThan
-	case ValidationTypeInclusion.String():
-		*vt = ValidationTypeInclusion
-	case ValidationTypeExclusion.String():
-		*vt = ValidationTypeExclusion
-	case ValidationTypeRegex.String():
-		*vt = ValidationTypeRegex
-	default:
-		// it may not be a known validation type, but we also allow ValidationType(int)
-		valIntRaw := strings.TrimSuffix(strings.TrimPrefix(string(b), "ValidationType("), ")")
-		valInt, err := strconv.Atoi(valIntRaw)
-		if err != nil {
-			return fmt.Errorf("validation type %q: %w", b, ErrInvalidValidationType)
-		}
-		*vt = ValidationType(valInt)
-	}
-
-	return nil
-}
-
 type ValidationRequired struct{}
 
 func (v ValidationRequired) Type() ValidationType { return ValidationTypeRequired }