diff --git a/Extension/Extension.swift b/Extension/Extension.swift
index c239ec4..ae36b89 100644
--- a/Extension/Extension.swift
+++ b/Extension/Extension.swift
@@ -75,16 +75,16 @@ extension String {
     typealias StringObj = (string: String, index: String.Index)
 
     func findParentheses(from start: String.Index, reFormat: Bool = true) throws -> StringObj {
-        return try findBlock(from: start, symbol: ("(", ")"), reFormat: reFormat)
+        return try findBlock(type: .parentheses, from: start, reFormat: reFormat)
     }
 
     func findSquare(from start: String.Index, reFormat: Bool = true) throws -> StringObj {
-        return try findBlock(from: start, symbol: ("[", "]"), reFormat: reFormat)
+        return try findBlock(type: .square, from: start, reFormat: reFormat)
     }
 
-    func findBlock(from start: String.Index, symbol: (start: String, end: Character), reFormat: Bool) throws -> StringObj {
+    func findBlock(type: IndentType, from start: String.Index, reFormat: Bool) throws -> StringObj {
         var target = index(after: start)
-        var result = symbol.start
+        var result = String(type.rawValue)
         while target < endIndex {
             let next = self[target]
 
@@ -102,7 +102,7 @@ extension String {
                 result.append(next)
             }
             target = index(after: target)
-            if next == symbol.end {
+            if next == type.stopSymbol() {
                 break
             }
         }
diff --git a/Extension/Indent.swift b/Extension/Indent.swift
index d7179db..56e1111 100644
--- a/Extension/Indent.swift
+++ b/Extension/Indent.swift
@@ -2,6 +2,17 @@ import Foundation
 
 enum IndentType: Character {
     case parentheses = "(", square = "[", curly = "{"
+
+    func stopSymbol() -> Character {
+        switch self {
+        case .parentheses:
+            return ")"
+        case .square:
+            return "]"
+        case .curly:
+            return "}"
+        }
+    }
 }
 
 class Indent {
@@ -30,13 +41,8 @@ class Indent {
         self.count = indent.count
         self.extra = indent.extra
         self.inSwitch = false
-        if block == .curly {
-            self.leading = 0
-        } else {
-            self.leading = indent.leading
-        }
 
-        if self.block != .parentheses && !indent.indentAdd {
+        if block != .parentheses && !indent.indentAdd {
             self.count += 1
             self.indentAdd = true
         } else {
@@ -48,11 +54,14 @@ class Indent {
         } else {
             self.extraAdd = false
         }
-        if self.block == .parentheses {
-            self.leading = offset - self.count * Indent.size - 1
-            if self.leading < 0 {
-                self.leading = 0
-            }
+
+        switch block {
+        case .curly:
+            self.leading = 0
+        case .parentheses:
+            self.leading = max(offset - count * Indent.size - 1, 0)
+        case .square:
+            self.leading = indent.leading
         }
     }