Int4 class

Encapsulates a signed 4-bit aggregation.

Also commonly known as:

  • A signed nibble
  • A half-octet
  • A semi-octet
  • A half-byte

Commonly used to represent:

  • Binary-coded decimal
  • Single decimal digits
Inheritance
Annotations
  • @sealed

Constructors

Int4(int value)
Wraps a value that is otherwise a valid 4-bit signed integer.

Properties

bitsSet → int
Returns the number of set bits in value.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
isNegative → bool
Returns true iff value represents a negative number, else false.
no setterinherited
isPositive → bool
Returns true iff value represents a positive number, else false.
no setterinherited
msb → bool
Returns whether the most-significant-bit in value is set.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
size → int
Numbers of bits in this data type.
finalinherited
value → int
Value wrapped by the Integral.
finalinherited

Methods

bitChunk(int left, int size) → Int4
Returns a new instance with bits in left to size.
inherited
bitRange(int left, int right) → Int4
Returns a new instance with bits left to right, inclusive.
inherited
clearBit(int n) → Int4
Returns with the nth bit from value cleared.
inherited
compareTo(Integral<Integral> o) → int
Compares this object to another object.
inherited
getBit(int n) → int
Returns the nth bit from value.
inherited
isClear(int n) → bool
Returns whether the nth bit from value is cleared.
inherited
isSet(int n) → bool
Returns whether the nth bit from value is set.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
replaceBitRange(int left, int right, int bits) → Int4
Returns a new instance with bits left to right, inclusive, replaced.
inherited
rotateRightShift(int number) → Int4
Returns a bit-wise right rotation on value by number of bits.
inherited
setBit(int n) → Int4
Returns with the nth bit from value set.
inherited
signedRightShift(int n) → Int4
Returns value arithmetically right-shifted n bits.
inherited
signExtend(int startSize) → Int4
Returns the current value BinaryInt.signExtend-ed to the full size.
inherited
toBinary() → String
Returns value as a binary string representation.
inherited
toBinaryPadded() → String
Returns value as a binary string representation, padded with 0's.
inherited
toDebugString() → String
Returns a debug-friendly representation of toString.
override
toggleBit(int n, [bool? v]) → Int4
Sets the nth bit if v is true, otherwise clears.
inherited
toString() → String
A string representation of this object.
inherited
wrapSafeValue(int value) → Int4
Implement to create an instance of self around value.
override

Operators

operator &(Int4 other) → Int4
Bitwise AND operator.
inherited
operator <(Int4 other) → bool
Less than comparison.
inherited
operator <<(Int4 other) → Int4
Left-shift operator.
inherited
operator <=(Int4 other) → bool
Less than or equal comparison.
inherited
operator ==(Object other) → bool
The equality operator.
inherited
operator >(Int4 other) → bool
Greater than comparison.
inherited
operator >=(Int4 other) → bool
Greater than or equal comparison.
inherited
operator >>(Int4 other) → Int4
Right-shift operator.
inherited
operator ^(Int4 other) → Int4
Bitwise XOR operator.
inherited
operator |(Int4 other) → Int4
Bitwise OR operator.
inherited
operator ~() → Int4
Bitwise NOT operator.
inherited

Static Methods

assertRange(int value) → int
Returns value.
checkRange(int value) → int
Returns value if in range, otherwise throws RangeError.

Constants

zero → const Int4
A pre-computed instance of Int4(0).