Add non-progress version of API to suppress warnings

Sources/Extensions/ImageView+Kingfisher.swift

@@ -85,6 +85,57 @@ extension KingfisherWrapper where Base: KFCrossPlatformImageView {
         return setImage(with: source, placeholder: placeholder, parsedOptions: options, progressBlock: progressBlock, completionHandler: completionHandler)
     }
 
+    /// Sets an image to the image view with a `Source`.
+    ///
+    /// - Parameters:
+    ///   - source: The `Source` object defines data information from network or a data provider.
+    ///   - placeholder: A placeholder to show while retrieving the image from the given `resource`.
+    ///   - options: An options set to define image setting behaviors. See `KingfisherOptionsInfo` for more.
+    ///   - completionHandler: Called when the image retrieved and set finished.
+    /// - Returns: A task represents the image downloading.
+    ///
+    /// - Note:
+    /// This is the easiest way to use Kingfisher to boost the image setting process from a source. Since all parameters
+    /// have a default value except the `source`, you can set an image from a certain URL to an image view like this:
+    ///
+    /// ```
+    /// // Set image from a network source.
+    /// let url = URL(string: "https://example.com/image.png")!
+    /// imageView.kf.setImage(with: .network(url))
+    ///
+    /// // Or set image from a data provider.
+    /// let provider = LocalFileImageDataProvider(fileURL: fileURL)
+    /// imageView.kf.setImage(with: .provider(provider))
+    /// ```
+    ///
+    /// For both `.network` and `.provider` source, there are corresponding view extension methods. So the code
+    /// above is equivalent to:
+    ///
+    /// ```
+    /// imageView.kf.setImage(with: url)
+    /// imageView.kf.setImage(with: provider)
+    /// ```
+    ///
+    /// Internally, this method will use `KingfisherManager` to get the source.
+    /// Since this method will perform UI changes, you must call it from the main thread.
+    /// The `completionHandler` will be also executed in the main thread.
+    ///
+    @discardableResult
+    public func setImage(
+        with source: Source?,
+        placeholder: Placeholder? = nil,
+        options: KingfisherOptionsInfo? = nil,
+        completionHandler: ((Result<RetrieveImageResult, KingfisherError>) -> Void)? = nil) -> DownloadTask?
+    {
+        return setImage(
+            with: source,
+            placeholder: placeholder,
+            options: options,
+            progressBlock: nil,
+            completionHandler: completionHandler
+        )
+    }
+
     /// Sets an image to the image view with a requested resource.
     ///
     /// - Parameters:
@@ -125,6 +176,44 @@ extension KingfisherWrapper where Base: KFCrossPlatformImageView {
             completionHandler: completionHandler)
     }
 
+    /// Sets an image to the image view with a requested resource.
+    ///
+    /// - Parameters:
+    ///   - resource: The `Resource` object contains information about the resource.
+    ///   - placeholder: A placeholder to show while retrieving the image from the given `resource`.
+    ///   - options: An options set to define image setting behaviors. See `KingfisherOptionsInfo` for more.
+    ///   - completionHandler: Called when the image retrieved and set finished.
+    /// - Returns: A task represents the image downloading.
+    ///
+    /// - Note:
+    /// This is the easiest way to use Kingfisher to boost the image setting process from network. Since all parameters
+    /// have a default value except the `resource`, you can set an image from a certain URL to an image view like this:
+    ///
+    /// ```
+    /// let url = URL(string: "https://example.com/image.png")!
+    /// imageView.kf.setImage(with: url)
+    /// ```
+    ///
+    /// Internally, this method will use `KingfisherManager` to get the requested resource, from either cache
+    /// or network. Since this method will perform UI changes, you must call it from the main thread.
+    /// The `completionHandler` will be also executed in the main thread.
+    ///
+    @discardableResult
+    public func setImage(
+        with resource: Resource?,
+        placeholder: Placeholder? = nil,
+        options: KingfisherOptionsInfo? = nil,
+        completionHandler: ((Result<RetrieveImageResult, KingfisherError>) -> Void)? = nil) -> DownloadTask?
+    {
+        return setImage(
+            with: resource,
+            placeholder: placeholder,
+            options: options,
+            progressBlock: nil,
+            completionHandler: completionHandler
+        )
+    }
+
     /// Sets an image to the image view with a data provider.
     ///
     /// - Parameters:
@@ -156,6 +245,35 @@ extension KingfisherWrapper where Base: KFCrossPlatformImageView {
             completionHandler: completionHandler)
     }
 
+    /// Sets an image to the image view with a data provider.
+    ///
+    /// - Parameters:
+    ///   - provider: The `ImageDataProvider` object contains information about the data.
+    ///   - placeholder: A placeholder to show while retrieving the image from the given `resource`.
+    ///   - options: An options set to define image setting behaviors. See `KingfisherOptionsInfo` for more.
+    ///   - completionHandler: Called when the image retrieved and set finished.
+    /// - Returns: A task represents the image downloading.
+    ///
+    /// Internally, this method will use `KingfisherManager` to get the image data, from either cache
+    /// or the data provider. Since this method will perform UI changes, you must call it from the main thread.
+    /// The `completionHandler` will be also executed in the main thread.
+    ///
+    @discardableResult
+    public func setImage(
+        with provider: ImageDataProvider?,
+        placeholder: Placeholder? = nil,
+        options: KingfisherOptionsInfo? = nil,
+        completionHandler: ((Result<RetrieveImageResult, KingfisherError>) -> Void)? = nil) -> DownloadTask?
+    {
+        return setImage(
+            with: provider,
+            placeholder: placeholder,
+            options: options,
+            progressBlock: nil,
+            completionHandler: completionHandler
+        )
+    }
+
 
     func setImage(
         with source: Source?,