Class SymbolWeakMap<V>

Type Parameters

V

Hierarchy

SymbolWeakMap

Index

Constructors

constructor

Properties

__weakMap

Methods

Constructors

constructor

new SymbolWeakMap<V>(): SymbolWeakMap<V>

- Defined in foundation/misc/cache/SymbolWeakMap.ts:5
Type Parameters
- V
Returns SymbolWeakMap<V>

Properties

Private __weakMap

__weakMap: WeakMap<Symbol, V> = ...

Methods

delete

delete(symbol: Symbol): boolean

- Defined in foundation/misc/cache/SymbolWeakMap.ts:64
delete the value

Parameters
- symbol: Symbol
  
  the key for access
Returns boolean
the flag of the deletion was succeed or not

get

get(symbol: Symbol): undefined | V

- Defined in foundation/misc/cache/SymbolWeakMap.ts:50
return the value in the cache by the key

Parameters
- symbol: Symbol
  
  the key for access
Returns undefined | V
the value in the cache by the key

has

has(symbol: Symbol): boolean

- Defined in foundation/misc/cache/SymbolWeakMap.ts:28
return the boolean value whether it have the key or not

Parameters
- symbol: Symbol
  
  the key for access
Returns boolean
Whether it have the key or not.

set

set(symbol: Symbol, value: V): boolean

- Defined in foundation/misc/cache/SymbolWeakMap.ts:13
set key and value

Parameters
- symbol: Symbol
  
  the key for access
- value: V
  
  the value as a cache item
Returns boolean
true: succeed to set value, false: not set (already exists)

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