ios - Swift Array Issues -

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i have code:

let posstate = positionstate(pos) if posstate != .none {     if posstate == .off {         boardarray[pos.row][pos.column] == .on     } else {         boardarray[pos.row][pos.column] == .off     } }

the issue i'm having when attempt change value of element in boardarray, nothing happens. why boardarray's element stay same?

you using == rather = assigning

let posstate = positionstate(pos)    if posstate != .none {       if posstate == .off {          boardarray[pos.row][pos.column] = .on       } else {          boardarray[pos.row][pos.column] = .off     } }

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