/kotlin-fun

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Primary LanguageKotlin

Kotlin fun

Aggregate Operations

Sum

  • sumBy
    @Test
    fun `Get sum of all numbers in a int range list`() {
        val listOfNumber = listOf(1..10)

        val totalSum = listOfNumber.sumBy(IntRange::sum)
    
        assertThat(totalSum)
            .isEqualTo(55)
    }