ObservablenNumExt<T extends num> extension

on

• Observable<T?>

Properties

isFinite → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

True if the number is finite; otherwise, false.

no setter

isInfinite → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

True if the number is positive infinity or negative infinity; otherwise, false.

no setter

isNaN → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

True if the number is the double Not-a-Number value; otherwise, false.

no setter

isNegative → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

True if the number is negative; otherwise, false.

no setter

sign → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns minus one, zero or plus one depending on the sign and numerical value of the number.

no setter

Methods

abs() → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the absolute value of this num.

ceil() → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the least integer no smaller than this.

ceilToDouble() → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the least double integer value no smaller than this.

clamp(num lowerLimit, num upperLimit) → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns this num clamped to be in the range lowerLimit-upperLimit.

floor() → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the greatest integer no greater than this.

floorToDouble() → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the greatest double integer value no greater than this.

remainder(num other) → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the remainder of the truncating division of this by other.

round() → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the integer closest to this.

roundToDouble() → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the double integer value closest to this.

toDouble() → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Return this num as a double.

toInt() → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Truncates this num to an integer and returns the result as an int. */

toStringAsExponential([int? fractionDigits]) → String?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns an exponential string-representation of this.

toStringAsFixed(int fractionDigits) → String?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns a decimal-point string-representation of this.

toStringAsPrecision(int precision) → String?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Converts this to a double and returns a string representation with exactly precision significant digits.

truncate() → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the integer obtained by discarding any fractional digits from this.

truncateToDouble() → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Returns the double integer value obtained by discarding any fractional digits from the double value of this.

Operators

operator %(num other) → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Euclidean modulo operator.

operator *(num other) → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Multiplication operator.

operator /(num other) → double?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Division operator.

operator <(num other) → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Relational less than operator.

operator <=(num other) → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Relational less than or equal operator.

operator >(num other) → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Relational greater than operator.

operator >=(num other) → bool?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Relational greater than or equal operator.

operator unary-() → num?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Negate operator.

operator ~/(num other) → int?

Available on Observable<T?>, provided by the ObservablenNumExt extension

Truncating division operator.