Version: v1.18.1 Latest Latest

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Published: Apr 18, 2022 License: BSD-2-Clause, ISC Imports: 5 Imported by: 163



Package hashmap implements a map backed by a hash table.

Elements are unordered in the map.

Structure is not thread safe.

Reference: http://en.wikipedia.org/wiki/Associative_array



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type Map

type Map struct {
	// contains filtered or unexported fields

Map holds the elements in go's native map

func New

func New() *Map

New instantiates a hash map.

func (*Map) Clear

func (m *Map) Clear()

Clear removes all elements from the map.

func (*Map) Empty

func (m *Map) Empty() bool

Empty returns true if map does not contain any elements

func (*Map) FromJSON added in v1.9.0

func (m *Map) FromJSON(data []byte) error

FromJSON populates the map from the input JSON representation.

func (*Map) Get

func (m *Map) Get(key interface{}) (value interface{}, found bool)

Get searches the element in the map by key and returns its value or nil if key is not found in map. Second return parameter is true if key was found, otherwise false.

func (*Map) Keys

func (m *Map) Keys() []interface{}

Keys returns all keys (random order).

func (*Map) MarshalJSON added in v1.15.0

func (m *Map) MarshalJSON() ([]byte, error)

MarshalJSON @implements json.Marshaler

func (*Map) Put

func (m *Map) Put(key interface{}, value interface{})

Put inserts element into the map.

func (*Map) Remove

func (m *Map) Remove(key interface{})

Remove removes the element from the map by key.

func (*Map) Size

func (m *Map) Size() int

Size returns number of elements in the map.

func (*Map) String

func (m *Map) String() string

String returns a string representation of container

func (*Map) ToJSON added in v1.9.0

func (m *Map) ToJSON() ([]byte, error)

ToJSON outputs the JSON representation of the map.

func (*Map) UnmarshalJSON added in v1.15.0

func (m *Map) UnmarshalJSON(bytes []byte) error

UnmarshalJSON @implements json.Unmarshaler

func (*Map) Values

func (m *Map) Values() []interface{}

Values returns all values (random order).

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