Test whether at least
niterated values are truthy.
var iterSome = require( '@stdlib/iter/some' );Tests whether at least n iterated values are truthy.
var array2iterator = require( '@stdlib/array/to-iterator' );
var arr = array2iterator( [ 0, 0, 1, 1, 1 ] );
var bool = iterSome( arr, 3 );
// returns trueIf a provided iterator does not return any iterated values, the function returns false.
var array2iterator = require( '@stdlib/array/to-iterator' );
var bool = iterSome( array2iterator( [] ), 1 );
// returns falsevar randu = require( '@stdlib/random/iter/randu' );
var iterMap = require( '@stdlib/iter/map' );
var iterSome = require( '@stdlib/iter/some' );
function threshold( r ) {
return ( r > 0.95 );
}
// Create an iterator which generates uniformly distributed pseudorandom numbers:
var opts = {
'iter': 100
};
var riter = randu( opts );
// Create an iterator which applies a threshold to generated numbers:
var miter = iterMap( riter, threshold );
// Determine if at least 5 values are "truthy":
var bool = iterSome( miter, 5 );
// returns <boolean>
console.log( bool );@stdlib/iter/any: test whether at least one iterated value is truthy.@stdlib/iter/every: test whether all iterated values are truthy.@stdlib/iter/for-each: create an iterator which invokes a function for each iterated value before returning the iterated value.@stdlib/iter/none: test whether all iterated values are falsy.@stdlib/iter/some-by: test whether at leastniterated values pass a test implemented by a predicate function.