Value class abstract interface

An interface for a value with type and null safe accessors for data implementing Primitive.

Implementations should support accessing at least following types: String, int, BigInt, double, bool, DateTime, Identifier and Null.

Implemented types

Constructors

Value()

Properties

hashCode → int
The hash code for this object.
no setterinherited
isBigInt → bool
True if this value is stored as BigInt.
no setterinherited
isBool → bool
True if this value is stored as a bool.
no setterinherited
isDateTime → bool
True if this value is stored as a DateTime.
no setter
isDouble → bool
True if this value is stored as a double.
no setterinherited
isId → bool
True if this value is stored as a Identifier.
no setter
isInt → bool
True if this value is stored as int.
no setterinherited
isInteger → bool
True if this value is stored as an integer (int or BigInt) value.
no setterinherited
isNull → bool
True if the stored value is a null object.
no setterinherited
isNumeric → bool
True if this value is stored as numeric (int, BigInt, double) value.
no setterinherited
isString → bool
True if this value is stored as a String.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

asBigInt({BigInt? min, BigInt? max}) → BigInt
Returns this value as a BigInt value.
inherited
asBool() → bool
This value as a bool value.
inherited
asDouble({double? min, double? max}) → double
This value as a double value.
inherited
asId() → Identifier
This value as a Identifier value.
asInt({int? min, int? max}) → int
Returns this value as a int value.
inherited
asNum({num? min, num? max}) → num
This value as a num value (either double or int).
inherited
asString() → String
Returns this value as a String value.
inherited
asTimeUTC({DateTime parse(Object?)?}) → DateTime
This value as a DateTime value in the UTC time zone.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited
tryAsBigInt({BigInt? min, BigInt? max}) → BigInt?
This value as a BigInt value or null if cannot be converted to BigInt.
inherited
tryAsBool() → bool?
This value as a bool or null if cannot be converted to bool.
inherited
tryAsDouble({double? min, double? max}) → double?
This value as a double or null if cannot be converted to double.
inherited
tryAsId() → Identifier?
This value as a Identifier value or null if cannot be converted.
tryAsInt({int? min, int? max}) → int?
This value as a int value or null if cannot be converted to int.
inherited
tryAsNum({num? min, num? max}) → num?
This value as a num or null if cannot be converted to num.
inherited
tryAsString() → String?
This value as a String value or null if cannot be converted to String.
inherited
tryAsTimeUTC({DateTime parse(Object?)?}) → DateTime?
This value as a DateTime value (UTC) or null if cannot be converted.

Operators

operator ==(Object other) → bool
The equality operator.
inherited