Keywords

Keyword	Description
break	exit for loop
continue	go do next interaction on for loop
def	create function
for	for loop, (for (condition) (function)), (for (function) (array (1 2))), (for (declaration) (condition) (increment) (function))
if/else	(if (condition) (if true) (optional if false))
import	import package
load	load file .rum this file point
let	create/set variable
map	create map
package	declare package (package "name")
return	stop execution and return to caller
struct	create struct
switch/case/default	better than if else :D
print	(print string)
sprintf	(sprintf "format" "string")
lambda	lambda function
.	Invoke a method on golang value or get a field on struct golang value Ex: (. buf String)

Would you like to propose more keywords? https://github.com/rumlang/rum/issues/60