In the case of `val sum = x 0 + y` if `x` is null `val sum = kotlinlang #random

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In the case of `val sum = x?:0 + y`, if `x` is nu...

r

rook

06/04/2018, 5:46 PM

In the case of

val sum =  x?:0 + y

, if

is null,

val sum = 0 + y

. Otherwise

val sum = x