nxt.nullable_traits

Traits for introspection nullability (undefinedness) of a type.

Members

Enums

hasMemberNullValue eponymoustemplate hasMemberNullValue(T): Is true iff T is a type with a member null value.
hasNullValue eponymoustemplate hasNullValue(T): Is true iff T is a type with a standardized null (zero address) value.

Functions

isNull bool isNull(T x)

Templates

defaultNullKeyConstantOf template defaultNullKeyConstantOf(T): Default null key of type T,
hasStandardNullValue template hasStandardNullValue(T): Is true iff T is a type with a standardized null (zero address) value.
isNullable template isNullable(T): Is true iff T is type with a predefined undefined (null) value.

Meta

Source

See Source File

nxt modules