Nullable

Nullable(x)

Wrap value x in an object of type Nullable, which indicates whether a value is present. Nullable(x) yields a non-empty wrapper, and Nullable{T}() yields an empty instance of a wrapper that might contain a value of type T.

Examples

See Also

BigFloat, BigInt, Dict, eltype, fieldtype, Float32, Float64, IntSet, isa, isalnum, isalpha, isascii, iseltype, isequal, isgraph, isimmutable, isinteractive, isleaftype, isnull, ispunct, isspace, issubtype, keytype, Nullable, NullException, promote_type, typeintersect, typejoin, typemax, typemin, typeof, Val, valtype,

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