Conform InlayHintLabel to ExpressibleByStringX protocols

Sources/LanguageServerProtocol/SupportTypes/InlayHint.swift

@@ -19,7 +19,7 @@ public struct InlayHint: ResponseType, Codable, Hashable {
   public let kind: InlayHintKind?
 
   /// The hint's text, e.g. a printed type
-  public let label: String
+  public let label: InlayHintLabel
 
   /// Optional text edits that are performed when accepting this inlay hint.
   public let textEdits: [TextEdit]?
@@ -36,7 +36,7 @@ public struct InlayHint: ResponseType, Codable, Hashable {
   public init(
     position: Position,
     kind: InlayHintKind? = nil,
-    label: String,
+    label: InlayHintLabel,
     textEdits: [TextEdit]? = nil,
     tooltip: MarkupContent? = nil,
     paddingLeft: Bool? = nil,
@@ -93,6 +93,18 @@ public enum InlayHintLabel: Codable, Hashable {
   }
 }
 
+extension InlayHintLabel: ExpressibleByStringLiteral {
+  public init(stringLiteral value: String) {
+    self = .string(value)
+  }
+}
+
+extension InlayHintLabel: ExpressibleByStringInterpolation {
+  public init(stringInterpolation interpolation: DefaultStringInterpolation) {
+    self = .string(.init(stringInterpolation: interpolation))
+  }
+}
+
 /// A part of an interactive or composite inlay hint label.
 public struct InlayHintLabelPart: Codable, Hashable {
   /// The value of this label part.