kotlin-stdlib / kotlin.sequences / sum sum Common JVM JS Native 1.0 @JvmName ( "sumOfByte" ) fun Sequence < Byte > . sum ( ) : Int (source) @JvmName ( "sumOfShort" ) fun Sequence < Short > . sum ( ) : Int (source) @JvmName ( "sumOfInt" ) fun Sequence < Int > . sum ( ) : Int (source) @JvmName ( "sumOfLong" ) fun Sequence < Long > . sum ( ) : Long (source) @JvmName ( "sumOfFloat" ) fun Sequence < Float > . sum ( ) : Float (source) @JvmName ( "sumOfDouble" ) fun Sequence < Double > . sum ( ) : Double (source) @JvmName ( "sumOfUInt" ) fun Sequence < UInt > . sum ( ) : UInt (source) @JvmName ( "sumOfULong" ) fun Sequence < ULong > . sum ( ) : ULong (source) @JvmName ( "sumOfUByte" ) fun Sequence < UByte > . sum ( ) : UInt (source) @JvmName ( "sumOfUShort" ) fun Sequence < UShort > . sum ( ) : UInt (source) Returns the sum of all elements in the sequence. The operation is terminal .