Internals

append

Signature

(a Array) (x Any) | append | ([..., x] Array)

Example

[] 8 append 9 append append => [8, 9]

Appends x to array a, leaves a on the stack.

array

Signature

| array | Array

Example

array => []

Constructs an empty Array and pushes it to the stack.

assoc

Signature

(ob Object) (key String) (value Any) | assoc | (ob Object)

Example

{} "foo" 6 assoc => {"foo": 6}

Sets key on the ob to value and leaves ob on the stack.

call

Signature

(op-name String) (args [Any]) | call | (result Any)

Calls an operator op-name with arguments args and puts the result of its execution on the stack.

callf

Signature

(op-name String) (args [Any]) | callf | (result Any)

Calls an operator op-name with arguments args and puts the result of its execution on the stack.

const

Signature

| const(x Any) | (x Any)

Pushes a constant x of any type onto the stack.

dup

Signature

(x Any) | dup | (x Any) (x Any)

Example

1 dup => 1 1

Duplicates the topmost value on the stack.

get-member

Signature

(ob Object) | get-member(key String) | (val Any)

Example

{"foo": 6} | get-member("foo") | 6

Gets value val from key key in object ob and pushes val onto the stack. Will return Nil if key is not in ob.

mark

Signature

| mark | <mark>

Sets mark on top of the stack.

object

Signature

| object | Object

Example

object => {}

Constructs an empty Object and pushes it to the stack.

var

Signature

| var(var-name String) | (value Any)

Example

var("foo") => 6

Pushes the value of a variable named var-name onto the stack.