Ternary

this this(bool b): Construct and assign from a bool, receiving no for false and yes for true.
this this(Ternary b): Construct a ternary value from another ternary value

Members

Functions

opAssign void opAssign(bool b)

Construct and assign from a bool, receiving no for false and yes for true.

opBinary Ternary opBinary(Ternary rhs)

Ternary opBinary(bool rhs)

Truth table for logical operations,

`a`	`b`	`$(TILDE)a`	`a \| b`	`a & b`	`a ^ b`
`no`	`no`	`yes`	`no`	`no`	`no`
`no`	`yes`		`yes`	`no`	`yes`
`no`	`unknown`		`unknown`	`no`	`unknown`
`yes`	`no`	`no`	`yes`	`no`	`yes`
`yes`	`yes`		`yes`	`yes`	`no`
`yes`	`unknown`		`yes`	`unknown`	`unknown`
`unknown`	`no`	`unknown`	`unknown`	`no`	`unknown`
`unknown`	`yes`		`yes`	`unknown`	`unknown`
`unknown`	`unknown`		`unknown`	`unknown`	`unknown`

opUnary Ternary opUnary()

Truth table for logical operations,

`a`	`b`	`$(TILDE)a`	`a \| b`	`a & b`	`a ^ b`
`no`	`no`	`yes`	`no`	`no`	`no`
`no`	`yes`		`yes`	`no`	`yes`
`no`	`unknown`		`unknown`	`no`	`unknown`
`yes`	`no`	`no`	`yes`	`no`	`yes`
`yes`	`yes`		`yes`	`yes`	`no`
`yes`	`unknown`		`yes`	`unknown`	`unknown`
`unknown`	`no`	`unknown`	`unknown`	`no`	`unknown`
`unknown`	`yes`		`yes`	`unknown`	`unknown`
`unknown`	`unknown`		`unknown`	`unknown`	`unknown`

Manifest constants

no enum no;
unknown enum unknown;
yes enum yes;: The possible states of the Ternary

Examples

Ternary a;
assert(a == Ternary.unknown);

assert(~Ternary.yes == Ternary.no);
assert(~Ternary.no == Ternary.yes);
assert(~Ternary.unknown == Ternary.unknown);

Ternary

Constructors

Members

Functions

Manifest constants

Examples

See Also

Meta

Source