bool class
The reserved words true and false denote objects that are the only two
instances of this class.
It is a compile-time error for a class to attempt to extend or implement bool.
Constructors
-
bool.fromEnvironment(String name,
{bool defaultValue: false} ) -
Returns the boolean value of the environment declaration
name. [...]constfactory -
bool.hasEnvironment(String name
) -
Whether there is an environment declaration
name. [...]constfactory
Properties
- hashCode → int
-
The hash code for this object. [...]
read-only, override
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
toString(
) → String -
Returns either
"true"fortrueand"false"forfalse.override -
noSuchMethod(
Invocation invocation ) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
Operators
-
operator &(
bool other ) → bool -
The logical conjunction ("and") of this and
other. [...]@Since("2.1") -
operator ^(
bool other ) → bool -
The logical exclusive disjunction ("exclusive or") of this and
other. [...]@Since("2.1") -
operator |(
bool other ) → bool -
The logical disjunction ("inclusive or") of this and
other. [...]@Since("2.1") -
operator ==(
dynamic other ) → bool -
The equality operator. [...]
inherited