emsi_containers ~master (2021-09-24T04:23:14Z)

TreeMap.containsKey

containers treemap TreeMap
struct TreeMap(K, V, Allocator = Mallocator, alias less = "a < b", bool supportGC = shouldAddGCRange!K || shouldAddGCRange!V, size_t cacheLineSize = 64)
inout pure nothrow @nogc @trusted
bool
containsKey
(
const K key
)

Return Value

Type: bool

true if the mapping contains the given key

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