úÎú" NoneThe constraint  String on a function f indicates that an $ unnamed implicit parameter of type String is passed to f. The constraint  "foo" String on a function f indicates " that an implicit parameter named "foo" of type String is passed to  f. ( retrieves the implicit parameter named s of type a from  the context  s a . The name s is specified by a proxy  argument passed to param. 2 supplies a value for an implicit parameter named s to a I function which takes a homotypic and homonymous implicit parameter. The  name s, is specified by a proxy argument passed to setParam. An infix version of  with flipped arguments. A left-associated version of  . 9 supplies a value for an unnamed implicit parameter to a 6 function which takes a homotypic implicit parameter. An infix version of  with flipped arguments.           implicit-params-0.2 Data.Implicit Implicit_param_ImplicitparamsetParam~$$$ setParam_$~baseGHC.Base$Param_Param $fImplicit_a $fImplicitksa