my.optional

Members

Aliases

Optional alias Optional(T) = SumType!(None, Some!T): Undocumented in source.

Functions

hasValue bool hasValue(T v): Undocumented in source. Be warned that the author may not have intended to support it.
none Optional!T none(): Optional with no value
orElse U orElse(T v, U or): Undocumented in source. Be warned that the author may not have intended to support it.
orElse T orElse(T v, T or): Undocumented in source. Be warned that the author may not have intended to support it.
orElse T orElse(T v, OrT or): Undocumented in source. Be warned that the author may not have intended to support it.
orElse U orElse(T v, OrT or): Undocumented in source. Be warned that the author may not have intended to support it.
some Optional!T some(T value): An optional containing a value.

Structs

None struct None: No value in the Optional.
Some struct Some(T): A value.

Meta

Source

See Source File

License

Boost Software License 1.0

Copyright

Copyright (c) 2020, Joakim Brännström. All rights reserved.

Authors

Joakim Brännström (joakim.brannstrom@gmx.com)

Definition of an optional type using sumtype.

my modules