Version: v0.0.0-...-1fddd89 Latest Latest

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Published: Feb 25, 2019 License: Apache-2.0 Imports: 2 Imported by: 0




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type Empty

type Empty struct{}

Empty is public since it is used by some internal API objects for conversions between external string arrays and internal sets, and conversion logic requires public types today.

type String

type String map[string]Empty

sets.String is a set of strings, implemented via map[string]struct{} for minimal memory consumption.

func NewString

func NewString(items ...string) String

NewString creates a String from a list of values.

func StringKeySet

func StringKeySet(theMap interface{}) String

StringKeySet creates a String from a keys of a map[string](? extends interface{}). If the value passed in is not actually a map, this will panic.

func (String) Delete

func (s String) Delete(items ...string)

Delete removes all items from the set.

func (String) Difference

func (s String) Difference(s2 String) String

Difference returns a set of objects that are not in s2 For example: s1 = {a1, a2, a3} s2 = {a1, a2, a4, a5} s1.Difference(s2) = {a3} s2.Difference(s1) = {a4, a5}

func (String) Equal

func (s1 String) Equal(s2 String) bool

Equal returns true if and only if s1 is equal (as a set) to s2. Two sets are equal if their membership is identical. (In practice, this means same elements, order doesn't matter)

func (String) Has

func (s String) Has(item string) bool

Has returns true if and only if item is contained in the set.

func (String) HasAll

func (s String) HasAll(items ...string) bool

HasAll returns true if and only if all items are contained in the set.

func (String) HasAny

func (s String) HasAny(items ...string) bool

HasAny returns true if any items are contained in the set.

func (String) Insert

func (s String) Insert(items ...string)

Insert adds items to the set.

func (String) Intersection

func (s1 String) Intersection(s2 String) String

Intersection returns a new set which includes the item in BOTH s1 and s2 For example: s1 = {a1, a2} s2 = {a2, a3} s1.Intersection(s2) = {a2}

func (String) IsSuperset

func (s1 String) IsSuperset(s2 String) bool

IsSuperset returns true if and only if s1 is a superset of s2.

func (String) Len

func (s String) Len() int

Len returns the size of the set.

func (String) List

func (s String) List() []string

List returns the contents as a sorted string slice.

func (String) PopAny

func (s String) PopAny() (string, bool)

Returns a single element from the set.

func (String) Union

func (s1 String) Union(s2 String) String

Union returns a new set which includes items in either s1 or s2. For example: s1 = {a1, a2} s2 = {a3, a4} s1.Union(s2) = {a1, a2, a3, a4} s2.Union(s1) = {a1, a2, a3, a4}

func (String) UnsortedList

func (s String) UnsortedList() []string

UnsortedList returns the slice with contents in random order.

Source Files

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