rhaj/_archive/rhai_engine/rhaibook/appendix/keywords.md

Keywords List

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Keyword	Description	Inactive under	Is function?
true	boolean true literal		no
false	boolean false literal		no
let	[variable] declaration		no
const	[constant] declaration		no
if	[if] statement		no
else	else block of [if] statement		no
switch	[matching][switch]		no
do	[looping][do]		no
while	[while] loop condition for [do] loop		no
until	[do] loop		no
loop	infinite [loop]		no
for	[for] loop		no
in	[containment][in] test part of [for] loop		no
!in	negated [containment][in] test		no
continue	continue a loop at the next iteration		no
break	break out of loop iteration		no
return	[return][return] value		no
throw	throw [exception]		no
try	[trap][try] [exception]		no
catch	[catch][catch] [exception]		no
import	[import][import] [module]	[no_module]	no
export	[export][export] [variable]	[no_module]	no
as	alias for [variable] [export][export]	[no_module]	no
global	automatic [global][global] [module]	[no_module], [no_function]	no
private	mark [function] [private][private]	[no_function]	no
fn (lower-case f)	[function] definition	[no_function]	no
Fn (capital F)	create a [function pointer]		yes
call	call a [function pointer]		yes
curry	curry a [function pointer]		yes
is_shared	is a [variable] shared?	[no_function], [no_closure]	yes
is_def_fn	is [function] defined?	[no_function]	yes
is_def_var	is [variable] defined?		yes
this	reference to base object for method call	[no_function]	no
type_of	get type name of value		yes
print	print value		yes
debug	print value in debug format		yes
eval	evaluate script		yes

Reserved Keywords

Keyword	Potential usage
var	variable declaration
static	variable declaration
shared	share value
goto	control flow
match	matching
case	matching
public	function/field access
protected	function/field access
new	constructor
use	import namespace
with	scope
is	type check
module	module
package	package
super	base class/module
thread	threading
spawn	threading
go	threading
await	async
async	async
sync	async
yield	async
default	special value
void	special value
null	special value
nil	special value