does the closure have a single string argument . concode_field_sep PlaceHolder placeHolder concode_field_sep String convertClosureToSource concode_elem_sep boolean hasSingleCharacterArg
boolean function ( Closure arg0 ) { if ( arg0 . getMaximumNumberOfParameters ( ) != 1 ) return false ; String loc0 = arg0 . getParameterTypes ( ) [ 0 ] . getName ( ) ; return loc0 . equals ( "srini_string" ) ; }