Fix Repeat's endless printing (#437)

Co-authored-by: Nate Cook <[email protected]>

Author: KthKuang

Examples/repeat/Repeat.swift

@@ -23,7 +23,7 @@ struct Repeat: ParsableCommand {
     var phrase: String
 
     mutating func run() throws {
-        let repeatCount = count ?? .max
+        let repeatCount = count ?? 2
 
         for i in 1...repeatCount {
             if includeCounter {

README.md

@@ -23,7 +23,7 @@ struct Repeat: ParsableCommand {
     var phrase: String
 
     mutating func run() throws {
-        let repeatCount = count ?? .max
+        let repeatCount = count ?? 2
 
         for i in 1...repeatCount {
             if includeCounter {

Sources/ArgumentParser/Documentation.docc/ArgumentParser.md

@@ -24,7 +24,7 @@ struct Repeat: ParsableCommand {
     var count: Int?
 
     mutating func run() throws {
-        let repeatCount = count ?? .max
+        let repeatCount = count ?? 2
         for _ in 0..<repeatCount {
             print(phrase)
         }

Sources/ArgumentParser/Documentation.docc/Articles/CustomizingCommandHelp.md

@@ -25,7 +25,7 @@ struct Repeat: ParsableCommand {
     var count: Int?
 
     mutating func run() throws {
-        for _ in 0..<(count ?? Int.max) {
+        for _ in 0..<(count ?? 2) {
             print(phrase) 
         }
     }

Sources/ArgumentParser/Documentation.docc/Extensions/ParsableCommand.md

@@ -12,7 +12,7 @@ struct Repeat: ParsableCommand {
     var count: Int?
 
     mutating func run() throws {
-        let repeatCount = count ?? .max
+        let repeatCount = count ?? 2
         for _ in 0..<repeatCount {
             print(phrase)
         }

Tests/ArgumentParserExampleTests/RepeatExampleTests.swift

@@ -14,6 +14,20 @@ import ArgumentParserTestHelpers
 
 final class RepeatExampleTests: XCTestCase {
   func testRepeat() throws {
+    try AssertExecuteCommand(command: "repeat hello", expected: """
+        hello
+        hello
+        """)
+  }
+  
+  func testRepeat_include_counter() throws {
+    try AssertExecuteCommand(command: "repeat --include-counter hello", expected: """
+      1: hello
+      2: hello
+      """)
+  }
+  
+  func testRepeat_Count() throws {
     try AssertExecuteCommand(command: "repeat hello --count 6", expected: """
         hello
         hello