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package main
import "sync"
// Map is a thread-safe map implementation using Go's sync.Map type.
type Map[K comparable, V any] struct
// Load returns the value stored in the map for a key, or nil if no
// value is present.
// The ok result indicates whether value was found in the map.
func (key K) (value V, ok bool)
// Store sets the value for a key.
func (key K, value V)
// Clear deletes all the entries, resulting in an empty Map.
func ()
// LoadOrStore returns the existing value for the key if present.
// Otherwise, it stores and returns the given value.
// The loaded result is true if the value was loaded, false if stored.
func (key K, value V) (actual V, loaded bool)
// LoadAndDelete deletes the value for a key, returning the previous value if any.
// The loaded result reports whether the key was present.
func (key K) (value V, loaded bool)
// Delete deletes the value for a key.
func (key K)
// Swap swaps the value for a key and returns the previous value if any.
// The loaded result reports whether the key was present.
func (key K, value V) (previous V, loaded bool)
// CompareAndSwap swaps the old and new values for key
// if the value stored in the map is equal to old.
// The old value must be of a comparable type.
func (key K, old, new V) (swapped bool)
// CompareAndDelete deletes the entry for key if its value is equal to old.
// The old value must be of a comparable type.
//
// If there is no current value for key in the map, CompareAndDelete
// returns false (even if the old value is the nil interface value).
func (key K, old V) (deleted bool)
// Range calls f sequentially for each key and value present in the map.
// If f returns false, range stops the iteration.
//
// Range does not necessarily correspond to any consistent snapshot of the Map's
// contents: no key will be visited more than once, but if the value for any key
// is stored or deleted concurrently (including by f), Range may reflect any
// mapping for that key from any point during the Range call. Range does not
// block other methods on the receiver; even f itself may call any method on m.
//
// Range may be O(N) with the number of elements in the map even if f returns
// false after a constant number of calls.
func (f func(key K, value V) bool)