callAsFunction(at:)

Opens the document at the specified file URL.

Declaration

@MainActor func callAsFunction(at url: URL) async throws

Parameters

url:
A file URL that points at an existing document.

Discussion

Don’t call this method directly. SwiftUI calls it when you call the openDocument action:

do {
    try await openDocument(at: url)
} catch {
    // Handle error
}

For information about how Swift uses the callAsFunction() method to simplify call site syntax, see Methods with Special Names in The Swift Programming Language.