HashTable.opBinaryRight

Looks for key in this hash table.

struct HashTable(Key, Value, alias hasher = hash)

const

bool

opBinaryRight

(

string op : "in"

)

(

auto ref const T key

)

if (

ifTestable!(T, a => Key.init == a)

)

if (

isHashFunction!(hasher, Key)

)

Parameters

T: Type comparable with the key type, used for the lookup.
key T: The key to look for.

Return Value

Type: bool

$(D_KEYWORD true) if key exists in the hash table, $(D_KEYWORD false) otherwise.

Examples

HashTable!(string, int) hashTable;

assert("Shantungosaurus" !in hashTable);
hashTable["Shantungosaurus"] = 15;
assert("Shantungosaurus" in hashTable);

assert("Ceratopsia" !in hashTable);

HashTable.opBinaryRight

Parameters

Return Value

Examples

Meta

Source