MapCorextension<K, V> extension
Properties
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isSingle
→ bool
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Returns
true if there's precisely one key/value pair in the map.
read-only
Methods
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expand<RK, RV>(Map<RK, RV> f(K key, V value))
→ Map<RK, RV>
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Expands a Map by iterating over every entry and replacing it with another Map.
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firstEntryWhere(bool f(K key, V value), {MapEntry<K, V> orElse()})
→ MapEntry<K, V>
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Returns the first entry that satisfies the predicate.
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firstKeyWhere(bool f(K key, V value), {K orElse()})
→ K
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Returns the first key that satisfies the predicate.
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firstValueWhere(bool f(K key, V value), {V orElse()})
→ V
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Returns the first value that satisfies the predicate.
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reverse()
→ Map<V, K>
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Returns the map where the keys and values within
this are returned.
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singleEntryWhere(bool f(K key, V value), {MapEntry<K, V> orElse()})
→ MapEntry<K, V>
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Returns the single entry that satisfies the predicate.
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singleKeyWhere(bool f(K key, V value), {K orElse()})
→ K
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Returns the single key that satisfies the predicate.
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singleValueWhere(bool f(K key, V value), {V orElse()})
→ V
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Returns the single value that satisfies the predicate.
