if let shorthand syntax

Author: KeoFoxy

Sources/_Subprocess/Platforms/Subprocess+Linux.swift

@@ -262,7 +262,7 @@ private let setup: () = {
                 default:
                     fatalError("Unexpected exit status: \(siginfo.si_code)")
                 }
-                if let status = status {
+                if let status {
                     let pid = siginfo._sifields._sigchld.si_pid
                     if let existing = continuations.removeValue(forKey: pid),
                        case .continuation(let c) = existing {

Sources/_Subprocess/Platforms/Subprocess+Unix.swift

@@ -404,7 +404,7 @@ extension FileDescriptor {
                     continuation.resume(throwing: POSIXError(.init(rawValue: error) ?? .ENODEV))
                     return
                 }
-                if let data = data {
+                if let data {
                     buffer += Data(data)
                 }
                 if done {

Sources/_Subprocess/Platforms/Subprocess+Windows.swift

@@ -1070,7 +1070,7 @@ extension FileDescriptor {
                         }
                     }
                 }
-                if let lastError = lastError {
+                if let lastError {
                     continuation.resume(throwing: CocoaError.windowsError(
                         underlying: lastError,
                         errorCode: .fileReadUnknown)

Sources/_Subprocess/Subprocess+Configuration.swift

@@ -123,15 +123,15 @@ extension Subprocess {
                 errorError = error // lolol
             }
 
-            if let inputError = inputError {
+            if let inputError {
                 throw inputError
             }
 
-            if let outputError = outputError {
+            if let outputError {
                 throw outputError
             }
 
-            if let errorError = errorError {
+            if let errorError {
                 throw errorError
             }
         }
@@ -165,13 +165,13 @@ extension Subprocess {
                 errorError = error
             }
 
-            if let inputError = inputError {
+            if let inputError  {
                 throw inputError
             }
-            if let outputError = outputError {
+            if let outputError {
                 throw outputError
             }
-            if let errorError = errorError {
+            if let errorError  {
                 throw errorError
             }
         }