/
QuantHash.pm6
53 lines (41 loc) · 1.62 KB
/
QuantHash.pm6
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my role QuantHash does Associative {
method keyof() { Mu }
method SET-SELF(QuantHash:D: \elems) { # cannot be a private method
nqp::stmts(
nqp::if(
nqp::elems(elems),
nqp::bindattr(self,::?CLASS,'$!elems',elems)
),
self
)
}
# provide a proto for QuantHashes from here
proto method STORE(|) {*}
multi method STORE(QuantHash:D: |) { # for immutable types
X::Assignment::RO.new(value => self).throw
}
method Int ( --> Int:D) { self.total.Int }
method Num ( --> Num:D) { self.total.Num }
method Numeric ( --> Numeric:D) { self.total.Numeric }
method Real ( --> Real:D) { self.total.Real }
method Capture() { self.Hash.Capture }
multi method list(QuantHash:U:) { self.Any::list }
multi method list(QuantHash:D:) { self.pairs.cache }
method fmt(QuantHash: Cool $format = "%s\t\%s", $sep = "\n") {
nqp::iseq_i(nqp::sprintfdirectives( nqp::unbox_s($format.Stringy)),1)
?? self.keys.fmt($format, $sep)
!! self.pairs.fmt($format, $sep)
}
multi method AT-KEY(QuantHash:U \SELF: $key) is raw {
nqp::istype(self, Set) || nqp::istype(self, Bag) || nqp::istype(self, Mix)
?? X::AdHoc.new(payload => "Cannot auto-vivify an immutable {SELF.^name}").throw
!! (SELF = self.new).AT-KEY($key)
}
multi method pairs(QuantHash:D:) { Seq.new(self.iterator) }
proto method Setty(|) {*}
proto method Baggy(|) {*}
proto method Mixy (|) {*}
method hash() { ... }
method Hash() { ... }
}
# vim: ft=perl6 expandtab sw=4