Add an initializer that accepts [ExprSyntax] for ArrayExprSyntax

Author: gibachan

Sources/SwiftSyntax/generated/SyntaxCollections.swift

@@ -275,6 +275,14 @@ public struct ArrayElementListSyntax: SyntaxCollection, SyntaxHashable {
     }
     self.init(data)
   }
+
+  public init(expressions: [ExprSyntaxProtocol]) {
+    let elements = expressions.enumerated().map { index, expression in
+      let element = ArrayElementSyntax(expression: expression)
+      return index != (expressions.count - 1) ? element.with(\.trailingComma, .commaToken()) : element
+    }
+    self.init(elements)
+  }
 
   /// The number of elements, `present` or `missing`, in this collection.
   public var count: Int {

Sources/SwiftSyntax/generated/syntaxNodes/SyntaxExprNodes.swift

@@ -32,6 +32,10 @@ public struct ArrayExprSyntax: ExprSyntaxProtocol, SyntaxHashable {
     precondition(data.raw.kind == .arrayExpr)
     self._syntaxNode = Syntax(data)
   }
+
+  public init(expressions: [ExprSyntaxProtocol]) {
+    self.init(elements: ArrayElementListSyntax(expressions: expressions))
+  }
 
   public init(
       leadingTrivia: Trivia? = nil,

Tests/SwiftSyntaxTest/SyntaxCollectionsTests.swift

@@ -22,6 +22,11 @@ fileprivate func integerLiteralElement(_ int: Int) -> ArrayElementSyntax {
 }
 
 public class SyntaxCollectionsTests: XCTestCase {
+  public func testInitializer() {
+    let expressions: [ExprSyntax] = [.init(stringLiteral: "0"), .init(stringLiteral: "1"), .init(stringLiteral:"2")]
+    let arrayElementList = ArrayElementListSyntax(expressions: expressions)
+    XCTAssertEqual(arrayElementList.description, "0,1,2")
+  }
 
   public func testAppendingElement() {
     let arrayElementList = ArrayElementListSyntax([