Dart numbers Cheat Sheet

A Programming › Nope cheat sheet in English by nimakarimian

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11,751 views 2,116 downloads 3 Apr 2020 History

PRs


void main() { 
   print(num.parse('12')); 
   print(num.parse('10.91')); 
}

The parse() static function allows parsing a string containing numeric literal into a number.

num.isinfinite

num.sign

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

Number.abs()	Number.ceil()
Number.compareTo(x)	0 if the values are equal. 1 if the current number object is greater than the specified numeric value.-1 if the current number object is lesser than the specified numeric value.
Number.floor()	Number.remainder(x)
Number.round()	Number.toDouble()
Number.toInt()	Number.toString()
Number.truncate()	Returns an int without decimal points.

void main() { 
   int n = 5000; 
   print(n.hashCode); 
}  
syntax : num.hashcode

num.isNan

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

num.iseven

Returns true if the number is an even number.

num.isFinite

num.isNegative

This property returns a Boolean value true if the number is a negative number.

num.isodd

Returns true if the number is an odd number.

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