amalthea amalthea.crypto amalthea.csv amalthea.dataprocessing amalthea.decimal amalthea.dialog amalthea.encoding amalthea.fileformats amalthea.fs amalthea.langlocal amalthea.libcore amalthea.math amalthea.matrixmath amalthea.net amalthea.optional amalthea.sys amalthea.terminal amalthea.time
deprecated("Use std.typecons.Nullable")Optional!T optional(T)(T value)
Creates a new Optional object initialized with value.
deprecated("Use std.typecons.Nullable")Optional!T optional(T)()
Creates an empty Optional object.
The module provides the Optional data type.
The module provides the Optional data type.