export const pair = a => b => c => c(a)(b)pair takes two values which are effectively stored as a two-tuple that can then be accessed by first and second detailed below. This is the V combinator
pair('first value')('second value')
// => pair('first value')('second value')
export const pair = a => b => c => c(a)(b)when a pair is applied with first the first value in the pair is returned. This is TK in combinatory logic
pair('first value')('second value')(first)
// => 'first value'
export const first = a => a(b => _ => b)when a pair is applied with second the first value in the pair is returned. This is TKI in combinatory logic
pair('first value')('second value')(second)
// => 'second value'
export const second = a => a(_ => b => b)