value(forHTTPHeaderField:)
Returns the value that corresponds to the given header field.
Declaration
func value(forHTTPHeaderField field: String) -> String?Parameters
- field:
The name of the header field you want to retrieve. The name is case-insensitive.
Return Value
The value associated with the given header field, or nil if no value is associated with the field.
Discussion
In keeping with the HTTP RFC, HTTP header field names are case-insensitive.