use Red::AST::Function; unit role Red::ResultSeqMethods; method !agg(Str $func, &block) { my $*RED-FALLBACK = False; self.map({ my @args = block $_; Red::AST::Function.new: :$func, :@args }).ast.as-sub-select } method min(&block) { self!agg("min", &block) } method max(&block) { self!agg("max", &block) } method sum(&block) { self!agg("sum", &block) }