; ; Basic if expressions.
; if true "hello"

; ; These can produce values and the result bound to a name.
; let a = if (2 + 2 >= 4) 42

; ; We support a single if expression.
; let b = if 0xff == 255 "hello" else "world"

; ; ... but these can compound on each other
; if 1 < 2        6
; else if 1 > 2   7
; else            8

; ; A block is an expression, and if raise the scope level regardless if a block
; ; is used or not.
; if true != false {
;     let a = "yo"
; }

; ; Match cases should only apply to literal values, for example `case 1 + 2`
; ; isn't allowed. They should generally convert to a lookup table.
; match a = {
;     case 8 = "hello"
;     case 9 = "world"
;     else   = "what"
; }

; cond {
;     case a == b = "hello"
;     case a != c = "world"
;     else        = "what"
; }

; Enums are integers with values that increase automatically or that can be set
; with a constexpr.
enum flags {
    node_add = 1 << 0
    node_sub = 1 << 1
    node_div = 1 << 2
    node_mul
}
let a:flags = flags.node_add

; No need to qualify enum fields inside match-case.
match a = {
    case node_add = "adding something..."
    case node_add = "subbing something..."
    else          = "default case"
}