Instance Method

setValue(_:forHTTPHeaderField:)

Sets a value for the header field.

Declaration

mutating func setValue(_ value: String?, forHTTPHeaderField field: String)

Parameters

value

The new value for the header field. Any existing value for the field is replaced by the new value.

field

The name of the header field to set. In keeping with the HTTP RFC, HTTP header field names are case insensitive.

Discussion

Certain header fields are reserved. Do not use this method to set such headers. Specifically, there is no need for you to set the Content-Length header. See Reserved HTTP Headers.

See Also

Accessing Header Fields

var allHTTPHeaderFields: [String : String]?

A dictionary containing all of the HTTP header fields for a request.

func addValue(String, forHTTPHeaderField: String)

Adds a value to the header field.