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MapPairs[K: K, V: V, H: HashFunction[K] val, M: HashMap[K, V, H] #read]

[Source]

An iterator over the keys and values in a map.

class ref MapPairs[K: K, V: V, H: HashFunction[K] val, M: HashMap[K, V, H] #read] is
  Iterator[(M->K , M->V)] ref

Implements

Constructors

create

[Source]

Creates an iterator for the given map.

new ref create(
  map: M)
: MapPairs[K, V, H, M] ref^

Parameters

  • map: M

Returns

Public Functions

has_next

[Source]

True if it believes there are remaining entries. May not be right if values were added or removed from the map.

fun box has_next()
: Bool val

Returns

next

[Source]

Returns the next entry, or raises an error if there isn't one. If entries are added during iteration, this may not return all entries.

fun ref next()
: (M->K , M->V) ?

Returns

  • (M->K , M->V) ?

© 2016-2018, The Pony Developers
© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/collections-MapPairs