lib/httpx/headers.rb in httpx-0.3.1 vs lib/httpx/headers.rb in httpx-0.4.0

@@ -5,17 +5,19 @@
     EMPTY = [].freeze # :nodoc:
 
     class << self
       def new(headers = nil)
         return headers if headers.is_a?(self)
+
         super
       end
     end
 
     def initialize(headers = nil)
       @headers = {}
       return unless headers
+
       headers.each do |field, value|
         array_value(value).each do |v|
           add(downcased(field), v)
         end
       end
@@ -42,11 +44,10 @@
     # merges headers with another header-quack.
     # the merge rule is, if the header already exists,
     # ignore what the +other+ headers has. Otherwise, set
     #
     def merge(other)
-      # TODO: deep-copy
       headers = dup
       other.each do |field, value|
         headers[field] = value
       end
       headers
@@ -62,10 +63,11 @@
 
     # sets +value+ (if not nil) as single value for the +field+ header.
     #
     def []=(field, value)
       return unless value
+
       @headers[downcased(field)] = array_value(value)
     end
 
     # deletes all values associated with +field+ header.
     #
@@ -92,9 +94,10 @@
     # returns the enumerable headers store in pairs of header field + the values in
     # the comma-separated string format
     #
     def each
       return enum_for(__method__) { @headers.size } unless block_given?
+
       @headers.each do |field, value|
         yield(field, value.join(", ")) unless value.empty?
       end
     end