diff --git a/types/int_string.go b/types/int_string.go
new file mode 100644
index 0000000..780644d
--- /dev/null
+++ b/types/int_string.go
@@ -0,0 +1,51 @@
+package types
+
+import "fmt"
+
+type IntOrString struct {
+	intVal int
+	strVal string
+	isInt  bool
+}
+
+func (is *IntOrString) Set(val any) error {
+	switch v := val.(type) {
+	case int:
+	case int8:
+	case int16:
+	case int32:
+	case int64:
+	case uint:
+	case uint8:
+	case uint16:
+	case uint32:
+		is.isInt = true
+		is.intVal = int(v)
+		return nil
+	case string:
+		is.isInt = false
+		is.strVal = v
+		return nil
+	case []byte:
+		is.isInt = false
+		is.strVal = string(v)
+		return nil
+	}
+
+	//nolint:err113 // Temp skip
+	return fmt.Errorf("invalid type: %T", val)
+}
+
+func (is IntOrString) IsZero() bool {
+	if is.isInt {
+		return is.intVal == 0
+	}
+	return is.strVal == ""
+}
+
+func (is IntOrString) Value() any {
+	if is.isInt {
+		return is.intVal
+	}
+	return is.strVal
+}
diff --git a/types/toml.go b/types/toml.go
new file mode 100644
index 0000000..cc50593
--- /dev/null
+++ b/types/toml.go
@@ -0,0 +1,25 @@
+package types
+
+import "fmt"
+
+type TomlTypeError struct {
+	Value any
+}
+
+func (te *TomlTypeError) Error() string {
+	return fmt.Sprintf("unsupported type: %T", te.Value)
+}
+
+func (is *IntOrString) UnmarshalTOML(val any) error {
+	switch v := val.(type) {
+	case string:
+		is.isInt = false
+		is.strVal = v
+		return nil
+	case int64:
+		is.isInt = true
+		is.intVal = int(v)
+		return nil
+	}
+	return &TomlTypeError{Value: val}
+}
diff --git a/types/yaml.go b/types/yaml.go
index 4fa1d1b..d0b7d6d 100644
--- a/types/yaml.go
+++ b/types/yaml.go
@@ -10,17 +10,8 @@ func (ye *YamlTypeError) Error() string {
 	return ye.Node.Tag + " is not a valid type for this field"
 }
 
-type IntOrString struct {
-	intVal int
-	strVal string
-	isInt  bool
-}
-
 func (is IntOrString) MarshalYAML() (any, error) {
-	if is.isInt {
-		return is.intVal, nil
-	}
-	return is.strVal, nil
+	return is.Value(), nil
 }
 
 func (is *IntOrString) UnmarshalYAML(value *yaml.Node) error {
@@ -36,10 +27,3 @@ func (is *IntOrString) UnmarshalYAML(value *yaml.Node) error {
 
 	return &YamlTypeError{Node: value}
 }
-
-func (is IntOrString) IsZero() bool {
-	if is.isInt {
-		return is.intVal == 0
-	}
-	return is.strVal == ""
-}