let.red

Red []

let: func [
	binds 
	block 
	/local 
		ctx
][
	ctx: context append/only append binds copy [result: do] block
	select ctx 'result
]

g: 1
b: 42

let [
	a: 100
	b: 200
	c: b - a
][
	a + b + c + g
]								;-- will return 401

b								;-- will return 42 from global context

let [a: 1 b: 2 c: 3] [let [g: 15] [a + b + c + g]]		;-- will return 21

Updated/clarified 'let