assertcheck v1.0.0

---

assertcheck / assert / count

Function: count()

function count<T>(
   arr, 
   predicate, 
   n, 
   opts?): void;

Defined in: src/assert.ts:972

Asserts that exactly n elements satisfy the predicate — Ruby count { }.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type
arr	T[]
predicate	(v) => boolean
n	number
opts?	Opts

Returns

void

Example

`assert.count(transactions, t => t.amount > 1000, 3, "expected 3 large transactions")`