let arr:number[]=[1,2,3] let arrTwo:Array<number>=[1,2,3] interface Iplus<T>{ (a:T,b:T):T } function plus(a:number,b:number):number{ return a+b } const a:Iplus<number>=plus
let arr:number[]=[1,2,3] let arrTwo:Array<number>=[1,2,3] interface Iplus<T>{ (a:T,b:T):T } function plus(a:number,b:number):number{ return a+b } const a:Iplus<number>=plus