Fix variable names with underscore

Author: Pouya Yarandi

Sources/SwiftProtobuf/GetPathDecoder.swift

@@ -311,15 +311,15 @@ struct GetPathDecoder<T: Message>: Decoder {
 
 extension Message {
   mutating func `get`(path: String) throws -> Any? {
-    let _path = path.components(separatedBy: ".")
-    var decoder = try GetPathDecoder<Self>(path: _path)
+    let components = path.components(separatedBy: ".")
+    var decoder = try GetPathDecoder<Self>(path: components)
     try decodeMessage(decoder: &decoder)
     return decoder.value
   }
 
   mutating func hasPath(path: String) -> Bool {
-    let _path = path.components(separatedBy: ".")
-    guard var decoder = try? GetPathDecoder<Self>(path: _path) else {
+    let components = path.components(separatedBy: ".")
+    guard var decoder = try? GetPathDecoder<Self>(path: components) else {
       return false
     }
     try? decodeMessage(decoder: &decoder)

Sources/SwiftProtobuf/Google_Protobuf_FieldMask+Extensions.swift

@@ -262,14 +262,14 @@ extension Google_Protobuf_FieldMask {
     _ mask: Google_Protobuf_FieldMask
   ) -> Google_Protobuf_FieldMask {
     var buffer: Set<String> = .init()
-    var _paths: [String] = []
-    let allPaths = paths + mask.paths
+    var paths: [String] = []
+    let allPaths = self.paths + mask.paths
     for path in allPaths where !buffer.contains(path) {
       buffer.insert(path)
-      _paths.append(path)
+      paths.append(path)
     }
     return .with { mask in
-      mask.paths = _paths
+      mask.paths = paths
     }
   }
 
@@ -281,14 +281,14 @@ extension Google_Protobuf_FieldMask {
     _ mask: Google_Protobuf_FieldMask
   ) -> Google_Protobuf_FieldMask {
     let set = mask.pathsSet
-    var _paths: [String] = []
-    var _buffer = Set<String>()
-    for path in paths where set.contains(path) && !_buffer.contains(path) {
-      _buffer.insert(path)
-      _paths.append(path)
+    var paths: [String] = []
+    var buffer = Set<String>()
+    for path in self.paths where set.contains(path) && !buffer.contains(path) {
+      buffer.insert(path)
+      paths.append(path)
     }
     return .with { mask in
-      mask.paths = _paths
+      mask.paths = paths
     }
   }
 
@@ -301,14 +301,14 @@ extension Google_Protobuf_FieldMask {
     _ mask: Google_Protobuf_FieldMask
   ) -> Google_Protobuf_FieldMask {
     let set = mask.pathsSet
-    var _paths: [String] = []
-    var _buffer = Set<String>()
-    for path in paths where !set.contains(path) && !_buffer.contains(path) {
-      _buffer.insert(path)
-      _paths.append(path)
+    var paths: [String] = []
+    var buffer = Set<String>()
+    for path in self.paths where !set.contains(path) && !buffer.contains(path) {
+      buffer.insert(path)
+      paths.append(path)
     }
     return .with { mask in
-      mask.paths = _paths
+      mask.paths = paths
     }
   }
 
@@ -320,8 +320,8 @@ extension Google_Protobuf_FieldMask {
   /// - Parameter path: Path to be checked.
   /// - Returns: Boolean determines is path covered.
   public func contains(_ path: String) -> Bool {
-    for _path in paths {
-      if path.hasPrefix("\(_path).") || _path == path {
+    for fieldMaskPath in paths {
+      if path.hasPrefix("\(fieldMaskPath).") || fieldMaskPath == path {
         return true
       }
     }

Sources/SwiftProtobuf/SetPathDecoder.swift

@@ -73,33 +73,33 @@ struct SetPathDecoder<T: Message>: Decoder {
   }
 
   private func setValue<V>(_ value: inout V) throws {
-    guard let __value = self.value as? V else {
+    guard let castedValue = self.value as? V else {
       throw PathDecodingError.typeMismatch
     }
-    value = __value
+    value = castedValue
   }
 
   private func setRepeatedValue<V>(_ value: inout [V]) throws {
-    guard let __value = self.value as? [V] else {
+    guard let castedValue = self.value as? [V] else {
       throw PathDecodingError.typeMismatch
     }
     if replaceRepeatedFields {
-      value = __value
+      value = castedValue
     } else {
-      value.append(contentsOf: __value)
+      value.append(contentsOf: castedValue)
     }
   }
 
   private func setMapValue<K, V>(
     _ value: inout Dictionary<K, V>
   ) throws {
-    guard let __value = self.value as? Dictionary<K, V> else {
+    guard let castedValue = self.value as? Dictionary<K, V> else {
       throw PathDecodingError.typeMismatch
     }
     if replaceRepeatedFields {
-      value = __value
+      value = castedValue
     } else {
-      value.merge(__value) { _, new in
+      value.merge(castedValue) { _, new in
         new
       }
     }