ballerina/lang.map1.1.0

Module Overview

This module provides lang library map operations defined by the language specification 2020R1.

Functions

[14]

'map

Applies a function each member of a map and returns a map of the result.

entries

Returns a map containing [key, member] pair as the value for each key.

filter

Selects the members from a map for which a function returns true.

forEach

Applies a function to each member of a map.

get

Returns the member of map `m` with key `k`.

hasKey

Tests whether m has a member with key `k`.

iterator

Returns an iterator over a map.

keys

Returns a list of all the keys of map `m`.

length

Returns number of members of a map.

reduce

Combines the members of a map using a combining function.

remove

Removes a member of a map.

removeAll

Removes all members of a map.

removeIfHasKey

Removes a member of a map with a given key, if the map has member with the key.

toArray

Returns a list of all the members of a map.

Types

[2]

Type

A type parameter that is a subtype of `any|error`.

Type1

A type parameter that is a subtype of `any|error`.