Added usage statements for C<antipair>, C<value>, C<cmp>, C<fmt>, C<kv>,

and C<pairs>

lib/Type/Pair.pod

@@ -28,8 +28,14 @@ The immutable version of a C<Pair> is an C<Enum>.
 
 =head2 method antipair
 
+Defined as:
+
     method antipair() returns Pair:D
 
+Usage:
+
+    PAIR.antipair
+
 Returns a new C<Pair> object with key and value exchanged.
 
     my $p = (6 => 'Perl').antipair;
@@ -38,21 +44,39 @@ Returns a new C<Pair> object with key and value exchanged.
 
 =head2 method value
 
+Defined as:
+
     multi method value(Pair:D:) is rw
 
+Usage:
+
+    PAIR.value
+
 Returns the I<value> part of the C<Pair>.
 
 =head2 infix cmp
 
+Defined as:
+
     multi sub infix:<cmp>(Pair:D, Pair:D)
 
+Usage:
+
+    PAIR1 cmp PAIR2
+
 The type-agnostic comparator; compares two C<Pair>s. Compares first their
 I<key> parts, and then compares the I<value> parts if the keys are equal.
 
 =head2 method fmt
 
+Defined as:
+
     multi method fmt(Pair:D:) returns Str:D
 
+Usage:
+
+    PAIR.fmt(FORMATSTRING)
+
 Takes a I<format string>, and returns a string the I<key> and I<value>
 parts of the C<Pair> formatted. Here's an example:
 
@@ -64,17 +88,29 @@ For more about format strings, see L<sprintf>.
 
 =head2 method kv
 
+Defined as:
+
     multi method kv(Pair:D:) returns List:D
 
+Usage:
+
+    PAIR.kv
+
 Returns a two-element C<List> with the I<key> and I<value> parts of
 C<Pair>, in that order. This method is a special case of the same-named
 method on C<Hash>, which returns all its entries as a list of keys and
 values.
 
 =head2 method pairs
 
+Defined as:
+
     multi method pairs(Pair:D:)
 
+Usage:
+
+    PAIR.pairs
+
 Returns a list of one C<Pair>, namely this one.
 
 =end pod