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Classes

• Object
• ArgumentException
• Boolean
• Datetime
• Directory
• Duration
• Enum
• ENV
• Exception
• File
• Function
• Hash
• Image
• Iterable
• List
• Module
• Nil
• Number
• Set
• Socket
• String
• StringBuilder
• Thread
• Thread Synchronisation Primitives
• UnitTest

Modules

• csv
• json
• unittest

Functions

clock

• clock() returns a Number representing the fractional number of seconds of CPU time the process has used

print

• print([...]) print every argument by first calling to_string() on it first, ending with a newline

print_to

• print_to(STD_STREAM, [...]) print every argument by first calling to_string() on it first, ending with a newline. It will print it to the given stream. The options are STD_STREAM.OUT and STD_STREAM.ERR

input

• input([prompt]) print the prompt (no newline) if given and then wait for a line of input, returning it as a String. Gets a maximum of 512 bytes in one line.

get_password

• get_password([prompt]) print the prompt (no newline) if given and then wait for a line of input, returning it as a String. Does not echo the input. Gets a maximum of 512 bytes in one line.

assert

• assert(value) if value is falsy, then an AssertionException is thrown

callable?

• callable?(value) returns true if the value can be called (like a function)

sleep

• sleep(time) stops the execution of the current thread for at least the fractional seconds provided.

exit

• exit(exit_status) simple wrapper for the C function to exit the program with the given return code. Makes no attempt to clean anything up.

get_imported_modules

• get_imported_modules() gets all of the Modules currently imported to the interpreter

call_function

• call_function(receiver, method, [arguments, ...]) calls the method on the receiver. If the method is a function object, then the receiver may be nil. If the method is a name of a method (a string), then the receiver must be an instance.