NAME

       GraphQL::Type::Scalar - GraphQL scalar type

SYNOPSIS

         use GraphQL::Type::Scalar;
         my $int_type = GraphQL::Type::Scalar->new(
           name => 'Int',
           description =>
             'The `Int` scalar type represents non-fractional signed whole numeric ' .
             'values. Int can represent values between -(2^31) and 2^31 - 1. ',
           serialize => \&coerce_int,
           parse_value => \&coerce_int,
         );

ATTRIBUTES

       Has "name", "description" from GraphQL::Role::Named.

   serialize
       Code-ref. Required.

       Coerces from a Perl entity of the required type, to a GraphQL entity, or throws an
       exception.

       Must throw an exception if passed a defined (i.e. non-null) but invalid Perl object of the
       relevant type. "undef" must always be valid.

   parse_value
       Code-ref. Required if is for an input type.

       Coerces from a GraphQL entity, to a Perl entity of the required type, or throws an
       exception.

METHODS

   is_valid
       True if given Perl entity is valid value for this type. Uses "serialize" attribute.

EXPORTED VARIABLES

   $Int
   $Float
   $String
   $Boolean
   $ID