Indirect returns the value pointed to by p.

IndirectOrZero returns the value pointed to by p or zero value of E.

Pointer stores v in a new E value and returns a pointer to it.

Ternary is akin to a ternary operator in Go, which based on the boolean `condition`, returns either `exprIfTrue` or `exprIfFalse`.

TernaryFunc is akin to a ternary operator in Go, which conditionally executes either `exprIfTrue` or `exprIfFalse` based on the value of `condition`, and returns the result of the executed function.