rhai/doc/src/appendix/keywords.md

Keywords List

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Keyword	Description	Inactive under	Overloadable
true	Boolean true literal		No
false	Boolean false literal		No
let	Variable declaration		No
const	Constant declaration		No
is_shared	Is a value shared?		No
if	If statement		No
else	else block of if statement		No
while	While loop		No
loop	Infinite loop		No
for	For loop		No
in	Containment test, part of for loop		No
continue	Continue a loop at the next iteration		No
break	Loop breaking		No
return	Return value		No
throw	Throw exception		No
import	Import module	[no_module]	No
export	Export variable	[no_module]	No
as	Alias for variable export	[no_module]	No
private	Mark function private	[no_function]	No
fn (lower-case f)	Function definition	[no_function]	No
Fn (capital F)	Function to create a [function pointer]		Yes
call	Call a [function pointer]		No
curry	Curry a [function pointer]		No
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
do	Looping
each	Looping
then	Control flow
goto	Control flow
exit	Control flow
switch	Matching
match	Matching
case	Matching
public	Function/field access
new	Constructor
try	Trap exception
catch	Catch exception
use	Import namespace
with	Scope
module	Module
package	Package
spawn	Threading
go	Threading
await	Async
async	Async
sync	Async
yield	Async
default	Special value
void	Special value
null	Special value
nil	Special value