do

evaluate and execute given code

Parameters

do code :string :block :bytecode

Attributes

times:integerrepeat block execution given number of times

Returns

  • :any

Examples

copy
do "print 123"                ; 123

copy
do [
    x: 3
    print ["x =>" x]          ; x => 3
]

copy
print do "https://raw.githubusercontent.com/arturo-lang/arturo/master/examples/projecteuler/euler1.art"
; 233168

copy
do.times: 3 [
    print "Hello!"
]
; Hello!
; Hello!
; Hello!

copy
; Importing modules

; let's say you have a 'module.art' with  this code:
;
; pi: 3.14
;
; hello: $[name :string] [
;    print ["Hello" name]
;]

do relative "module.art"

print pi
; 3.14

do [
    hello "John Doe"
    ; Hello John Doe
]
    
; Note: always use imported functions inside a 'do block
; since they need to be evaluated beforehand.
; On the other hand, simple variables can be used without
; issues, as 'pi in this example

Related