maps

Documentation

Overview

Package maps implements Go's builtin map type.

Package maps implements Go's builtin map type.

Package maps implements Go's builtin map type.

Index

• type Iter
  • func (it *Iter) Elem() unsafe.Pointer
  • func (it *Iter) Init(typ *abi.SwissMapType, m *Map)
  • func (it *Iter) Initialized() bool
  • func (it *Iter) Key() unsafe.Pointer
  • func (it *Iter) Map() *Map
  • func (it *Iter) Next()
• type Map
  • func NewEmptyMap() *Map
  • func NewMap(mt *abi.SwissMapType, hint uintptr, m *Map, maxAlloc uintptr) *Map
  • func (m *Map) Clear(typ *abi.SwissMapType)
  • func (m *Map) Delete(typ *abi.SwissMapType, key unsafe.Pointer)
  • func (m *Map) Get(typ *abi.SwissMapType, key unsafe.Pointer) (unsafe.Pointer, bool)
  • func (m *Map) Put(typ *abi.SwissMapType, key, elem unsafe.Pointer)
  • func (m *Map) PutSlot(typ *abi.SwissMapType, key unsafe.Pointer) unsafe.Pointer
  • func (m *Map) Used() uint64

Types

type Iter

type Iter struct {
	// contains filtered or unexported fields
}

func (*Iter) Elem

func (it *Iter) Elem() unsafe.Pointer

Key returns a pointer to the current element. nil indicates end of iteration.

Must not be called prior to Next.

func (*Iter) Init

func (it *Iter) Init(typ *abi.SwissMapType, m *Map)

Init initializes Iter for iteration.

func (*Iter) Initialized

func (it *Iter) Initialized() bool

func (*Iter) Key

func (it *Iter) Key() unsafe.Pointer

Key returns a pointer to the current key. nil indicates end of iteration.

Must not be called prior to Next.

func (*Iter) Map

func (it *Iter) Map() *Map

Map returns the map this iterator is iterating over.

func (*Iter) Next

func (it *Iter) Next()

Next proceeds to the next element in iteration, which can be accessed via the Key and Elem methods.

The table can be mutated during iteration, though there is no guarantee that the mutations will be visible to the iteration.

Init must be called prior to Next.

type Map

type Map struct {
	// contains filtered or unexported fields
}

func NewEmptyMap

func NewEmptyMap() *Map

func NewMap

func NewMap(mt *abi.SwissMapType, hint uintptr, m *Map, maxAlloc uintptr) *Map

If m is non-nil, it should be used rather than allocating.

maxAlloc should be runtime.maxAlloc.

TODO(prattmic): Put maxAlloc somewhere accessible.

func (*Map) Clear

func (m *Map) Clear(typ *abi.SwissMapType)

Clear deletes all entries from the map resulting in an empty map.

func (*Map) Delete

func (m *Map) Delete(typ *abi.SwissMapType, key unsafe.Pointer)

func (*Map) Get

func (m *Map) Get(typ *abi.SwissMapType, key unsafe.Pointer) (unsafe.Pointer, bool)

Get performs a lookup of the key that key points to. It returns a pointer to the element, or false if the key doesn't exist.

func (*Map) Put

func (m *Map) Put(typ *abi.SwissMapType, key, elem unsafe.Pointer)

func (*Map) PutSlot

func (m *Map) PutSlot(typ *abi.SwissMapType, key unsafe.Pointer) unsafe.Pointer

PutSlot returns a pointer to the element slot where an inserted element should be written.

PutSlot never returns nil.

func (*Map) Used

func (m *Map) Used() uint64